Home / 22,602.08-31,189.92-12,530.24

Finding the Fourth Proportional to 22,602.08, 31,189.92 and 12,530.24

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Solution

The fourth proportional to 22,602.08, 31,189.92 and 12,530.24 is: 17,291.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,602.08 : 31,189.92 = 12,530.24 : x
  2. Step 2: Convert to fraction form
    22,602.08/31,189.92 = 12,530.24/x
  3. Step 3: Cross multiply
    22,602.08x = 31,189.92 × 12,530.24
  4. Step 4: Simplify right side
    22,602.08x = 390,817,183.18
  5. Step 5: Solve for x
    x = 390,817,183.18/22,602.08
  6. Step 6: Final answer
    x = 17,291.20

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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.