Home / 22,661.11-31,280.76-19,461.56

Finding the Fourth Proportional to 22,661.11, 31,280.76 and 19,461.56

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Solution

The fourth proportional to 22,661.11, 31,280.76 and 19,461.56 is: 26,864.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,661.11 : 31,280.76 = 19,461.56 : x
  2. Step 2: Convert to fraction form
    22,661.11/31,280.76 = 19,461.56/x
  3. Step 3: Cross multiply
    22,661.11x = 31,280.76 × 19,461.56
  4. Step 4: Simplify right side
    22,661.11x = 608,772,387.59
  5. Step 5: Solve for x
    x = 608,772,387.59/22,661.11
  6. Step 6: Final answer
    x = 26,864.19

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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.