Home / 18,068.90-24,936.12-10,111.05

Finding the Fourth Proportional to 18,068.90, 24,936.12 and 10,111.05

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Solution

The fourth proportional to 18,068.90, 24,936.12 and 10,111.05 is: 13,953.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,068.90 : 24,936.12 = 10,111.05 : x
  2. Step 2: Convert to fraction form
    18,068.90/24,936.12 = 10,111.05/x
  3. Step 3: Cross multiply
    18,068.90x = 24,936.12 × 10,111.05
  4. Step 4: Simplify right side
    18,068.90x = 252,130,356.13
  5. Step 5: Solve for x
    x = 252,130,356.13/18,068.90
  6. Step 6: Final answer
    x = 13,953.83

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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.