Home / 18,427.53-25,430.04-10,472.40

Finding the Fourth Proportional to 18,427.53, 25,430.04 and 10,472.40

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Solution

The fourth proportional to 18,427.53, 25,430.04 and 10,472.40 is: 14,451.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,427.53 : 25,430.04 = 10,472.40 : x
  2. Step 2: Convert to fraction form
    18,427.53/25,430.04 = 10,472.40/x
  3. Step 3: Cross multiply
    18,427.53x = 25,430.04 × 10,472.40
  4. Step 4: Simplify right side
    18,427.53x = 266,313,550.90
  5. Step 5: Solve for x
    x = 266,313,550.90/18,427.53
  6. Step 6: Final answer
    x = 14,451.94

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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.