Home / 18,470.53-25,489.33-10,087.03

Finding the Fourth Proportional to 18,470.53, 25,489.33 and 10,087.03

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Solution

The fourth proportional to 18,470.53, 25,489.33 and 10,087.03 is: 13,920.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,470.53 : 25,489.33 = 10,087.03 : x
  2. Step 2: Convert to fraction form
    18,470.53/25,489.33 = 10,087.03/x
  3. Step 3: Cross multiply
    18,470.53x = 25,489.33 × 10,087.03
  4. Step 4: Simplify right side
    18,470.53x = 257,111,699.77
  5. Step 5: Solve for x
    x = 257,111,699.77/18,470.53
  6. Step 6: Final answer
    x = 13,920.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.