Home / 18,294.48-25,237.10-11,568.78

Finding the Fourth Proportional to 18,294.48, 25,237.10 and 11,568.78

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Solution

The fourth proportional to 18,294.48, 25,237.10 and 11,568.78 is: 15,959.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,294.48 : 25,237.10 = 11,568.78 : x
  2. Step 2: Convert to fraction form
    18,294.48/25,237.10 = 11,568.78/x
  3. Step 3: Cross multiply
    18,294.48x = 25,237.10 × 11,568.78
  4. Step 4: Simplify right side
    18,294.48x = 291,962,457.74
  5. Step 5: Solve for x
    x = 291,962,457.74/18,294.48
  6. Step 6: Final answer
    x = 15,959.05

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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.