Home / 15,612.76-21,560.06-10,033.56

Finding the Fourth Proportional to 15,612.76, 21,560.06 and 10,033.56

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Solution

The fourth proportional to 15,612.76, 21,560.06 and 10,033.56 is: 13,855.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,612.76 : 21,560.06 = 10,033.56 : x
  2. Step 2: Convert to fraction form
    15,612.76/21,560.06 = 10,033.56/x
  3. Step 3: Cross multiply
    15,612.76x = 21,560.06 × 10,033.56
  4. Step 4: Simplify right side
    15,612.76x = 216,324,155.61
  5. Step 5: Solve for x
    x = 216,324,155.61/15,612.76
  6. Step 6: Final answer
    x = 13,855.60

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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.