Home / 22,652.01-31,259.99-13,218.75

Finding the Fourth Proportional to 22,652.01, 31,259.99 and 13,218.75

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Solution

The fourth proportional to 22,652.01, 31,259.99 and 13,218.75 is: 18,242.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,652.01 : 31,259.99 = 13,218.75 : x
  2. Step 2: Convert to fraction form
    22,652.01/31,259.99 = 13,218.75/x
  3. Step 3: Cross multiply
    22,652.01x = 31,259.99 × 13,218.75
  4. Step 4: Simplify right side
    22,652.01x = 413,218,025.86
  5. Step 5: Solve for x
    x = 413,218,025.86/22,652.01
  6. Step 6: Final answer
    x = 18,242.00

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Half scale
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Double 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.