Home / 18,535.47-25,585.18-11,267.53

Finding the Fourth Proportional to 18,535.47, 25,585.18 and 11,267.53

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Solution

The fourth proportional to 18,535.47, 25,585.18 and 11,267.53 is: 15,552.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,535.47 : 25,585.18 = 11,267.53 : x
  2. Step 2: Convert to fraction form
    18,535.47/25,585.18 = 11,267.53/x
  3. Step 3: Cross multiply
    18,535.47x = 25,585.18 × 11,267.53
  4. Step 4: Simplify right side
    18,535.47x = 288,281,783.21
  5. Step 5: Solve for x
    x = 288,281,783.21/18,535.47
  6. Step 6: Final answer
    x = 15,552.98

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Half scale
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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.