Home / 14,456.81-19,873.72-12,432.76

Finding the Fourth Proportional to 14,456.81, 19,873.72 and 12,432.76

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Solution

The fourth proportional to 14,456.81, 19,873.72 and 12,432.76 is: 17,091.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,456.81 : 19,873.72 = 12,432.76 : x
  2. Step 2: Convert to fraction form
    14,456.81/19,873.72 = 12,432.76/x
  3. Step 3: Cross multiply
    14,456.81x = 19,873.72 × 12,432.76
  4. Step 4: Simplify right side
    14,456.81x = 247,085,156.92
  5. Step 5: Solve for x
    x = 247,085,156.92/14,456.81
  6. Step 6: Final answer
    x = 17,091.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.