Home / 22,527.72-31,088.46-12,455.64

Finding the Fourth Proportional to 22,527.72, 31,088.46 and 12,455.64

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Solution

The fourth proportional to 22,527.72, 31,088.46 and 12,455.64 is: 17,188.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,527.72 : 31,088.46 = 12,455.64 : x
  2. Step 2: Convert to fraction form
    22,527.72/31,088.46 = 12,455.64/x
  3. Step 3: Cross multiply
    22,527.72x = 31,088.46 × 12,455.64
  4. Step 4: Simplify right side
    22,527.72x = 387,226,665.91
  5. Step 5: Solve for x
    x = 387,226,665.91/22,527.72
  6. Step 6: Final answer
    x = 17,188.90

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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.