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Finding the Fourth Proportional to 18,179.71, 25,088.30 and 10,114.00

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Solution

The fourth proportional to 18,179.71, 25,088.30 and 10,114.00 is: 13,957.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,179.71 : 25,088.30 = 10,114.00 : x
  2. Step 2: Convert to fraction form
    18,179.71/25,088.30 = 10,114.00/x
  3. Step 3: Cross multiply
    18,179.71x = 25,088.30 × 10,114.00
  4. Step 4: Simplify right side
    18,179.71x = 253,742,990.84
  5. Step 5: Solve for x
    x = 253,742,990.84/18,179.71
  6. Step 6: Final answer
    x = 13,957.48

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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.