Home / 23,148.10-31,944.38-12,537.76

Finding the Fourth Proportional to 23,148.10, 31,944.38 and 12,537.76

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Solution

The fourth proportional to 23,148.10, 31,944.38 and 12,537.76 is: 17,302.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,148.10 : 31,944.38 = 12,537.76 : x
  2. Step 2: Convert to fraction form
    23,148.10/31,944.38 = 12,537.76/x
  3. Step 3: Cross multiply
    23,148.10x = 31,944.38 × 12,537.76
  4. Step 4: Simplify right side
    23,148.10x = 400,510,969.79
  5. Step 5: Solve for x
    x = 400,510,969.79/23,148.10
  6. Step 6: Final answer
    x = 17,302.11

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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.