Home / 15,633.41-21,572.12-12,454.76

Finding the Fourth Proportional to 15,633.41, 21,572.12 and 12,454.76

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Solution

The fourth proportional to 15,633.41, 21,572.12 and 12,454.76 is: 17,186.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,633.41 : 21,572.12 = 12,454.76 : x
  2. Step 2: Convert to fraction form
    15,633.41/21,572.12 = 12,454.76/x
  3. Step 3: Cross multiply
    15,633.41x = 21,572.12 × 12,454.76
  4. Step 4: Simplify right side
    15,633.41x = 268,675,662.36
  5. Step 5: Solve for x
    x = 268,675,662.36/15,633.41
  6. Step 6: Final answer
    x = 17,186.00

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Half scale
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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.