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Finding the Fourth Proportional to 18,126.19, 25,014.08 and 10,061.06

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Solution

The fourth proportional to 18,126.19, 25,014.08 and 10,061.06 is: 13,884.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,126.19 : 25,014.08 = 10,061.06 : x
  2. Step 2: Convert to fraction form
    18,126.19/25,014.08 = 10,061.06/x
  3. Step 3: Cross multiply
    18,126.19x = 25,014.08 × 10,061.06
  4. Step 4: Simplify right side
    18,126.19x = 251,668,159.72
  5. Step 5: Solve for x
    x = 251,668,159.72/18,126.19
  6. Step 6: Final answer
    x = 13,884.23

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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.