Home / 22,371.84-30,835.08-15,285.96

Finding the Fourth Proportional to 22,371.84, 30,835.08 and 15,285.96

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Solution

The fourth proportional to 22,371.84, 30,835.08 and 15,285.96 is: 21,068.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,371.84 : 30,835.08 = 15,285.96 : x
  2. Step 2: Convert to fraction form
    22,371.84/30,835.08 = 15,285.96/x
  3. Step 3: Cross multiply
    22,371.84x = 30,835.08 × 15,285.96
  4. Step 4: Simplify right side
    22,371.84x = 471,343,799.48
  5. Step 5: Solve for x
    x = 471,343,799.48/22,371.84
  6. Step 6: Final answer
    x = 21,068.62

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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.