Home / 19,411.95-29,124.76-9,558.15

Finding the Fourth Proportional to 19,411.95, 29,124.76 and 9,558.15

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Solution

The fourth proportional to 19,411.95, 29,124.76 and 9,558.15 is: 14,340.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,411.95 : 29,124.76 = 9,558.15 : x
  2. Step 2: Convert to fraction form
    19,411.95/29,124.76 = 9,558.15/x
  3. Step 3: Cross multiply
    19,411.95x = 29,124.76 × 9,558.15
  4. Step 4: Simplify right side
    19,411.95x = 278,378,800.90
  5. Step 5: Solve for x
    x = 278,378,800.90/19,411.95
  6. Step 6: Final answer
    x = 14,340.59

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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.