Home / 19,176.19-28,763.01-9,188.08

Finding the Fourth Proportional to 19,176.19, 28,763.01 and 9,188.08

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Solution

The fourth proportional to 19,176.19, 28,763.01 and 9,188.08 is: 13,781.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,176.19 : 28,763.01 = 9,188.08 : x
  2. Step 2: Convert to fraction form
    19,176.19/28,763.01 = 9,188.08/x
  3. Step 3: Cross multiply
    19,176.19x = 28,763.01 × 9,188.08
  4. Step 4: Simplify right side
    19,176.19x = 264,276,736.92
  5. Step 5: Solve for x
    x = 264,276,736.92/19,176.19
  6. Step 6: Final answer
    x = 13,781.51

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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.