Home / 22,527.90-31,088.34-12,456.36

Finding the Fourth Proportional to 22,527.90, 31,088.34 and 12,456.36

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Solution

The fourth proportional to 22,527.90, 31,088.34 and 12,456.36 is: 17,189.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,527.90 : 31,088.34 = 12,456.36 : x
  2. Step 2: Convert to fraction form
    22,527.90/31,088.34 = 12,456.36/x
  3. Step 3: Cross multiply
    22,527.90x = 31,088.34 × 12,456.36
  4. Step 4: Simplify right side
    22,527.90x = 387,247,554.84
  5. Step 5: Solve for x
    x = 387,247,554.84/22,527.90
  6. Step 6: Final answer
    x = 17,189.69

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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.