Home / 22,497.81-31,047.27-12,426.21

Finding the Fourth Proportional to 22,497.81, 31,047.27 and 12,426.21

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Solution

The fourth proportional to 22,497.81, 31,047.27 and 12,426.21 is: 17,148.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,497.81 : 31,047.27 = 12,426.21 : x
  2. Step 2: Convert to fraction form
    22,497.81/31,047.27 = 12,426.21/x
  3. Step 3: Cross multiply
    22,497.81x = 31,047.27 × 12,426.21
  4. Step 4: Simplify right side
    22,497.81x = 385,799,896.95
  5. Step 5: Solve for x
    x = 385,799,896.95/22,497.81
  6. Step 6: Final answer
    x = 17,148.33

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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.