Home / 17,657.40-26,486.13-11,088.21

Finding the Fourth Proportional to 17,657.40, 26,486.13 and 11,088.21

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Solution

The fourth proportional to 17,657.40, 26,486.13 and 11,088.21 is: 16,632.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,657.40 : 26,486.13 = 11,088.21 : x
  2. Step 2: Convert to fraction form
    17,657.40/26,486.13 = 11,088.21/x
  3. Step 3: Cross multiply
    17,657.40x = 26,486.13 × 11,088.21
  4. Step 4: Simplify right side
    17,657.40x = 293,683,771.53
  5. Step 5: Solve for x
    x = 293,683,771.53/17,657.40
  6. Step 6: Final answer
    x = 16,632.33

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.