Home / 23,582.39-32,543.88-12,972.20

Finding the Fourth Proportional to 23,582.39, 32,543.88 and 12,972.20

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Solution

The fourth proportional to 23,582.39, 32,543.88 and 12,972.20 is: 17,901.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,582.39 : 32,543.88 = 12,972.20 : x
  2. Step 2: Convert to fraction form
    23,582.39/32,543.88 = 12,972.20/x
  3. Step 3: Cross multiply
    23,582.39x = 32,543.88 × 12,972.20
  4. Step 4: Simplify right side
    23,582.39x = 422,165,720.14
  5. Step 5: Solve for x
    x = 422,165,720.14/23,582.39
  6. Step 6: Final answer
    x = 17,901.74

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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.