Home / 18,302.47-25,248.12-11,576.77

Finding the Fourth Proportional to 18,302.47, 25,248.12 and 11,576.77

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Solution

The fourth proportional to 18,302.47, 25,248.12 and 11,576.77 is: 15,970.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,302.47 : 25,248.12 = 11,576.77 : x
  2. Step 2: Convert to fraction form
    18,302.47/25,248.12 = 11,576.77/x
  3. Step 3: Cross multiply
    18,302.47x = 25,248.12 × 11,576.77
  4. Step 4: Simplify right side
    18,302.47x = 292,291,678.17
  5. Step 5: Solve for x
    x = 292,291,678.17/18,302.47
  6. Step 6: Final answer
    x = 15,970.07

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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.