Home / 19,988.24-29,973.62-10,626

Finding the Fourth Proportional to 19,988.24, 29,973.62 and 10,626

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Solution

The fourth proportional to 19,988.24, 29,973.62 and 10,626 is: 15,934.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,988.24 : 29,973.62 = 10,626 : x
  2. Step 2: Convert to fraction form
    19,988.24/29,973.62 = 10,626/x
  3. Step 3: Cross multiply
    19,988.24x = 29,973.62 × 10,626
  4. Step 4: Simplify right side
    19,988.24x = 318,499,686.12
  5. Step 5: Solve for x
    x = 318,499,686.12/19,988.24
  6. Step 6: Final answer
    x = 15,934.35

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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.