Home / 25,740.06-38,591.10-17,399.40

Finding the Fourth Proportional to 25,740.06, 38,591.10 and 17,399.40

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Solution

The fourth proportional to 25,740.06, 38,591.10 and 17,399.40 is: 26,086.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,740.06 : 38,591.10 = 17,399.40 : x
  2. Step 2: Convert to fraction form
    25,740.06/38,591.10 = 17,399.40/x
  3. Step 3: Cross multiply
    25,740.06x = 38,591.10 × 17,399.40
  4. Step 4: Simplify right side
    25,740.06x = 671,461,985.34
  5. Step 5: Solve for x
    x = 671,461,985.34/25,740.06
  6. Step 6: Final answer
    x = 26,086.26

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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.