Home / 22,527.72-31,087.26-12,967.20

Finding the Fourth Proportional to 22,527.72, 31,087.26 and 12,967.20

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Solution

The fourth proportional to 22,527.72, 31,087.26 and 12,967.20 is: 17,894.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,527.72 : 31,087.26 = 12,967.20 : x
  2. Step 2: Convert to fraction form
    22,527.72/31,087.26 = 12,967.20/x
  3. Step 3: Cross multiply
    22,527.72x = 31,087.26 × 12,967.20
  4. Step 4: Simplify right side
    22,527.72x = 403,114,717.87
  5. Step 5: Solve for x
    x = 403,114,717.87/22,527.72
  6. Step 6: Final answer
    x = 17,894.16

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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.