Home / 13,159.38-19,713.02-6,910.02

Finding the Fourth Proportional to 13,159.38, 19,713.02 and 6,910.02

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Solution

The fourth proportional to 13,159.38, 19,713.02 and 6,910.02 is: 10,351.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,159.38 : 19,713.02 = 6,910.02 : x
  2. Step 2: Convert to fraction form
    13,159.38/19,713.02 = 6,910.02/x
  3. Step 3: Cross multiply
    13,159.38x = 19,713.02 × 6,910.02
  4. Step 4: Simplify right side
    13,159.38x = 136,217,362.46
  5. Step 5: Solve for x
    x = 136,217,362.46/13,159.38
  6. Step 6: Final answer
    x = 10,351.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.