Home / 18,114.51-24,996.65-10,155.23

Finding the Fourth Proportional to 18,114.51, 24,996.65 and 10,155.23

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Solution

The fourth proportional to 18,114.51, 24,996.65 and 10,155.23 is: 14,013.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,114.51 : 24,996.65 = 10,155.23 : x
  2. Step 2: Convert to fraction form
    18,114.51/24,996.65 = 10,155.23/x
  3. Step 3: Cross multiply
    18,114.51x = 24,996.65 × 10,155.23
  4. Step 4: Simplify right side
    18,114.51x = 253,846,729.98
  5. Step 5: Solve for x
    x = 253,846,729.98/18,114.51
  6. Step 6: Final answer
    x = 14,013.45

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Double scale
Find fourth proportional to 18,115.51, 24,998.03 and 10,156.23
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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.