Home / 15,987.74-22,062.63-9,272.94

Finding the Fourth Proportional to 15,987.74, 22,062.63 and 9,272.94

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Solution

The fourth proportional to 15,987.74, 22,062.63 and 9,272.94 is: 12,796.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,987.74 : 22,062.63 = 9,272.94 : x
  2. Step 2: Convert to fraction form
    15,987.74/22,062.63 = 9,272.94/x
  3. Step 3: Cross multiply
    15,987.74x = 22,062.63 × 9,272.94
  4. Step 4: Simplify right side
    15,987.74x = 204,585,444.23
  5. Step 5: Solve for x
    x = 204,585,444.23/15,987.74
  6. Step 6: Final answer
    x = 12,796.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.