Home / 15,337.19-21,159.82-10,035.09

Finding the Fourth Proportional to 15,337.19, 21,159.82 and 10,035.09

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Solution

The fourth proportional to 15,337.19, 21,159.82 and 10,035.09 is: 13,844.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,337.19 : 21,159.82 = 10,035.09 : x
  2. Step 2: Convert to fraction form
    15,337.19/21,159.82 = 10,035.09/x
  3. Step 3: Cross multiply
    15,337.19x = 21,159.82 × 10,035.09
  4. Step 4: Simplify right side
    15,337.19x = 212,340,542.11
  5. Step 5: Solve for x
    x = 212,340,542.11/15,337.19
  6. Step 6: Final answer
    x = 13,844.81

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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.