Home / 22,417.47-30,936.13-12,345.89

Finding the Fourth Proportional to 22,417.47, 30,936.13 and 12,345.89

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Solution

The fourth proportional to 22,417.47, 30,936.13 and 12,345.89 is: 17,037.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,417.47 : 30,936.13 = 12,345.89 : x
  2. Step 2: Convert to fraction form
    22,417.47/30,936.13 = 12,345.89/x
  3. Step 3: Cross multiply
    22,417.47x = 30,936.13 × 12,345.89
  4. Step 4: Simplify right side
    22,417.47x = 381,933,872.46
  5. Step 5: Solve for x
    x = 381,933,872.46/22,417.47
  6. Step 6: Final answer
    x = 17,037.33

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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.