Home / 15,823.56-23,691.60-11,916.12

Finding the Fourth Proportional to 15,823.56, 23,691.60 and 11,916.12

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Solution

The fourth proportional to 15,823.56, 23,691.60 and 11,916.12 is: 17,841.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,823.56 : 23,691.60 = 11,916.12 : x
  2. Step 2: Convert to fraction form
    15,823.56/23,691.60 = 11,916.12/x
  3. Step 3: Cross multiply
    15,823.56x = 23,691.60 × 11,916.12
  4. Step 4: Simplify right side
    15,823.56x = 282,311,948.59
  5. Step 5: Solve for x
    x = 282,311,948.59/15,823.56
  6. Step 6: Final answer
    x = 17,841.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.