Home / 16,409.95-22,645.19-9,240.23

Finding the Fourth Proportional to 16,409.95, 22,645.19 and 9,240.23

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Solution

The fourth proportional to 16,409.95, 22,645.19 and 9,240.23 is: 12,751.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,409.95 : 22,645.19 = 9,240.23 : x
  2. Step 2: Convert to fraction form
    16,409.95/22,645.19 = 9,240.23/x
  3. Step 3: Cross multiply
    16,409.95x = 22,645.19 × 9,240.23
  4. Step 4: Simplify right side
    16,409.95x = 209,246,843.71
  5. Step 5: Solve for x
    x = 209,246,843.71/16,409.95
  6. Step 6: Final answer
    x = 12,751.22

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Double 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.