Home / 22,636.56-31,238.73-12,565.99

Finding the Fourth Proportional to 22,636.56, 31,238.73 and 12,565.99

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Solution

The fourth proportional to 22,636.56, 31,238.73 and 12,565.99 is: 17,341.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,636.56 : 31,238.73 = 12,565.99 : x
  2. Step 2: Convert to fraction form
    22,636.56/31,238.73 = 12,565.99/x
  3. Step 3: Cross multiply
    22,636.56x = 31,238.73 × 12,565.99
  4. Step 4: Simplify right side
    22,636.56x = 392,545,568.79
  5. Step 5: Solve for x
    x = 392,545,568.79/22,636.56
  6. Step 6: Final answer
    x = 17,341.22

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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.