Home / 19,188.19-26,479.53-10,690.16

Finding the Fourth Proportional to 19,188.19, 26,479.53 and 10,690.16

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Solution

The fourth proportional to 19,188.19, 26,479.53 and 10,690.16 is: 14,752.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,188.19 : 26,479.53 = 10,690.16 : x
  2. Step 2: Convert to fraction form
    19,188.19/26,479.53 = 10,690.16/x
  3. Step 3: Cross multiply
    19,188.19x = 26,479.53 × 10,690.16
  4. Step 4: Simplify right side
    19,188.19x = 283,070,369.36
  5. Step 5: Solve for x
    x = 283,070,369.36/19,188.19
  6. Step 6: Final answer
    x = 14,752.32

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Half scale
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Double scale
Find fourth proportional to 19,189.19, 26,480.91 and 10,691.16
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.