Home / 18,427.92-25,430.52-10,470.15

Finding the Fourth Proportional to 18,427.92, 25,430.52 and 10,470.15

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Solution

The fourth proportional to 18,427.92, 25,430.52 and 10,470.15 is: 14,448.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,427.92 : 25,430.52 = 10,470.15 : x
  2. Step 2: Convert to fraction form
    18,427.92/25,430.52 = 10,470.15/x
  3. Step 3: Cross multiply
    18,427.92x = 25,430.52 × 10,470.15
  4. Step 4: Simplify right side
    18,427.92x = 266,261,398.24
  5. Step 5: Solve for x
    x = 266,261,398.24/18,427.92
  6. Step 6: Final answer
    x = 14,448.81

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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.