Home / 13,862.89-19,108.29-10,832.71

Finding the Fourth Proportional to 13,862.89, 19,108.29 and 10,832.71

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Solution

The fourth proportional to 13,862.89, 19,108.29 and 10,832.71 is: 14,931.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,862.89 : 19,108.29 = 10,832.71 : x
  2. Step 2: Convert to fraction form
    13,862.89/19,108.29 = 10,832.71/x
  3. Step 3: Cross multiply
    13,862.89x = 19,108.29 × 10,832.71
  4. Step 4: Simplify right side
    13,862.89x = 206,994,564.17
  5. Step 5: Solve for x
    x = 206,994,564.17/13,862.89
  6. Step 6: Final answer
    x = 14,931.56

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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.