Home / 53,432.16-80,153.58-18,367.20

Finding the Fourth Proportional to 53,432.16, 80,153.58 and 18,367.20

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Solution

The fourth proportional to 53,432.16, 80,153.58 and 18,367.20 is: 27,552.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,432.16 : 80,153.58 = 18,367.20 : x
  2. Step 2: Convert to fraction form
    53,432.16/80,153.58 = 18,367.20/x
  3. Step 3: Cross multiply
    53,432.16x = 80,153.58 × 18,367.20
  4. Step 4: Simplify right side
    53,432.16x = 1,472,196,834.58
  5. Step 5: Solve for x
    x = 1,472,196,834.58/53,432.16
  6. Step 6: Final answer
    x = 27,552.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.