Home / 15,966.38-23,970.76-13,641.32

Finding the Fourth Proportional to 15,966.38, 23,970.76 and 13,641.32

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Solution

The fourth proportional to 15,966.38, 23,970.76 and 13,641.32 is: 20,480.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,966.38 : 23,970.76 = 13,641.32 : x
  2. Step 2: Convert to fraction form
    15,966.38/23,970.76 = 13,641.32/x
  3. Step 3: Cross multiply
    15,966.38x = 23,970.76 × 13,641.32
  4. Step 4: Simplify right side
    15,966.38x = 326,992,653.85
  5. Step 5: Solve for x
    x = 326,992,653.85/15,966.38
  6. Step 6: Final answer
    x = 20,480.08

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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.