Home / 18,444.66-25,453.68-10,487.28

Finding the Fourth Proportional to 18,444.66, 25,453.68 and 10,487.28

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Solution

The fourth proportional to 18,444.66, 25,453.68 and 10,487.28 is: 14,472.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,444.66 : 25,453.68 = 10,487.28 : x
  2. Step 2: Convert to fraction form
    18,444.66/25,453.68 = 10,487.28/x
  3. Step 3: Cross multiply
    18,444.66x = 25,453.68 × 10,487.28
  4. Step 4: Simplify right side
    18,444.66x = 266,939,869.19
  5. Step 5: Solve for x
    x = 266,939,869.19/18,444.66
  6. Step 6: Final answer
    x = 14,472.47

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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.