Home / 25,355.10-38,032.65-15,513.60

Finding the Fourth Proportional to 25,355.10, 38,032.65 and 15,513.60

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Solution

The fourth proportional to 25,355.10, 38,032.65 and 15,513.60 is: 23,270.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,355.10 : 38,032.65 = 15,513.60 : x
  2. Step 2: Convert to fraction form
    25,355.10/38,032.65 = 15,513.60/x
  3. Step 3: Cross multiply
    25,355.10x = 38,032.65 × 15,513.60
  4. Step 4: Simplify right side
    25,355.10x = 590,023,319.04
  5. Step 5: Solve for x
    x = 590,023,319.04/25,355.10
  6. Step 6: Final answer
    x = 23,270.40

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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.