Home / 13,862.57-19,132.56-10,900.89

Finding the Fourth Proportional to 13,862.57, 19,132.56 and 10,900.89

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Solution

The fourth proportional to 13,862.57, 19,132.56 and 10,900.89 is: 15,044.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,862.57 : 19,132.56 = 10,900.89 : x
  2. Step 2: Convert to fraction form
    13,862.57/19,132.56 = 10,900.89/x
  3. Step 3: Cross multiply
    13,862.57x = 19,132.56 × 10,900.89
  4. Step 4: Simplify right side
    13,862.57x = 208,561,931.98
  5. Step 5: Solve for x
    x = 208,561,931.98/13,862.57
  6. Step 6: Final answer
    x = 15,044.97

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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.