Home / 22,281.84-30,758.40-14,731.56

Finding the Fourth Proportional to 22,281.84, 30,758.40 and 14,731.56

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Solution

The fourth proportional to 22,281.84, 30,758.40 and 14,731.56 is: 20,335.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,281.84 : 30,758.40 = 14,731.56 : x
  2. Step 2: Convert to fraction form
    22,281.84/30,758.40 = 14,731.56/x
  3. Step 3: Cross multiply
    22,281.84x = 30,758.40 × 14,731.56
  4. Step 4: Simplify right side
    22,281.84x = 453,119,215.10
  5. Step 5: Solve for x
    x = 453,119,215.10/22,281.84
  6. Step 6: Final answer
    x = 20,335.81

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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.