Home / 19,767.98-29,655.95-7,288.07

Finding the Fourth Proportional to 19,767.98, 29,655.95 and 7,288.07

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Solution

The fourth proportional to 19,767.98, 29,655.95 and 7,288.07 is: 10,933.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,767.98 : 29,655.95 = 7,288.07 : x
  2. Step 2: Convert to fraction form
    19,767.98/29,655.95 = 7,288.07/x
  3. Step 3: Cross multiply
    19,767.98x = 29,655.95 × 7,288.07
  4. Step 4: Simplify right side
    19,767.98x = 216,134,454.80
  5. Step 5: Solve for x
    x = 216,134,454.80/19,767.98
  6. Step 6: Final answer
    x = 10,933.56

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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.