Home / 13,996.52-19,315.17-7,708.88

Finding the Fourth Proportional to 13,996.52, 19,315.17 and 7,708.88

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Solution

The fourth proportional to 13,996.52, 19,315.17 and 7,708.88 is: 10,638.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,996.52 : 19,315.17 = 7,708.88 : x
  2. Step 2: Convert to fraction form
    13,996.52/19,315.17 = 7,708.88/x
  3. Step 3: Cross multiply
    13,996.52x = 19,315.17 × 7,708.88
  4. Step 4: Simplify right side
    13,996.52x = 148,898,327.71
  5. Step 5: Solve for x
    x = 148,898,327.71/13,996.52
  6. Step 6: Final answer
    x = 10,638.24

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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.