Home / 16,943.04-23,382.95-9,871.74

Finding the Fourth Proportional to 16,943.04, 23,382.95 and 9,871.74

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Solution

The fourth proportional to 16,943.04, 23,382.95 and 9,871.74 is: 13,623.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,943.04 : 23,382.95 = 9,871.74 : x
  2. Step 2: Convert to fraction form
    16,943.04/23,382.95 = 9,871.74/x
  3. Step 3: Cross multiply
    16,943.04x = 23,382.95 × 9,871.74
  4. Step 4: Simplify right side
    16,943.04x = 230,830,353.47
  5. Step 5: Solve for x
    x = 230,830,353.47/16,943.04
  6. Step 6: Final answer
    x = 13,623.90

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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.