Home / 17,627.20-26,458.08-13,428.16

Finding the Fourth Proportional to 17,627.20, 26,458.08 and 13,428.16

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Solution

The fourth proportional to 17,627.20, 26,458.08 and 13,428.16 is: 20,155.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,627.20 : 26,458.08 = 13,428.16 : x
  2. Step 2: Convert to fraction form
    17,627.20/26,458.08 = 13,428.16/x
  3. Step 3: Cross multiply
    17,627.20x = 26,458.08 × 13,428.16
  4. Step 4: Simplify right side
    17,627.20x = 355,283,331.53
  5. Step 5: Solve for x
    x = 355,283,331.53/17,627.20
  6. Step 6: Final answer
    x = 20,155.40

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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.