Home / 15,987.80-22,062.72-9,273.01

Finding the Fourth Proportional to 15,987.80, 22,062.72 and 9,273.01

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Solution

The fourth proportional to 15,987.80, 22,062.72 and 9,273.01 is: 12,796.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,987.80 : 22,062.72 = 9,273.01 : x
  2. Step 2: Convert to fraction form
    15,987.80/22,062.72 = 9,273.01/x
  3. Step 3: Cross multiply
    15,987.80x = 22,062.72 × 9,273.01
  4. Step 4: Simplify right side
    15,987.80x = 204,587,666.51
  5. Step 5: Solve for x
    x = 204,587,666.51/15,987.80
  6. Step 6: Final answer
    x = 12,796.49

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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.