Home / 19,951.14-29,926.13-5,159.50

Finding the Fourth Proportional to 19,951.14, 29,926.13 and 5,159.50

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Solution

The fourth proportional to 19,951.14, 29,926.13 and 5,159.50 is: 7,739.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,951.14 : 29,926.13 = 5,159.50 : x
  2. Step 2: Convert to fraction form
    19,951.14/29,926.13 = 5,159.50/x
  3. Step 3: Cross multiply
    19,951.14x = 29,926.13 × 5,159.50
  4. Step 4: Simplify right side
    19,951.14x = 154,403,810.66
  5. Step 5: Solve for x
    x = 154,403,810.66/19,951.14
  6. Step 6: Final answer
    x = 7,739.10

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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.