Home / 14,149.76-19,527.28-7,862.12

Finding the Fourth Proportional to 14,149.76, 19,527.28 and 7,862.12

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Solution

The fourth proportional to 14,149.76, 19,527.28 and 7,862.12 is: 10,850.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,149.76 : 19,527.28 = 7,862.12 : x
  2. Step 2: Convert to fraction form
    14,149.76/19,527.28 = 7,862.12/x
  3. Step 3: Cross multiply
    14,149.76x = 19,527.28 × 7,862.12
  4. Step 4: Simplify right side
    14,149.76x = 153,525,818.63
  5. Step 5: Solve for x
    x = 153,525,818.63/14,149.76
  6. Step 6: Final answer
    x = 10,850.07

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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.