Home / 15,981.56-22,037.23-10,880.38

Finding the Fourth Proportional to 15,981.56, 22,037.23 and 10,880.38

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Solution

The fourth proportional to 15,981.56, 22,037.23 and 10,880.38 is: 15,003.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,981.56 : 22,037.23 = 10,880.38 : x
  2. Step 2: Convert to fraction form
    15,981.56/22,037.23 = 10,880.38/x
  3. Step 3: Cross multiply
    15,981.56x = 22,037.23 × 10,880.38
  4. Step 4: Simplify right side
    15,981.56x = 239,773,436.55
  5. Step 5: Solve for x
    x = 239,773,436.55/15,981.56
  6. Step 6: Final answer
    x = 15,003.13

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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.