Home / 19,748.98-29,623.47-7,908.13

Finding the Fourth Proportional to 19,748.98, 29,623.47 and 7,908.13

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Solution

The fourth proportional to 19,748.98, 29,623.47 and 7,908.13 is: 11,862.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,748.98 : 29,623.47 = 7,908.13 : x
  2. Step 2: Convert to fraction form
    19,748.98/29,623.47 = 7,908.13/x
  3. Step 3: Cross multiply
    19,748.98x = 29,623.47 × 7,908.13
  4. Step 4: Simplify right side
    19,748.98x = 234,266,251.81
  5. Step 5: Solve for x
    x = 234,266,251.81/19,748.98
  6. Step 6: Final answer
    x = 11,862.20

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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.