Home / 15,987.39-22,076.53-10,029.30

Finding the Fourth Proportional to 15,987.39, 22,076.53 and 10,029.30

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Solution

The fourth proportional to 15,987.39, 22,076.53 and 10,029.30 is: 13,849.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,987.39 : 22,076.53 = 10,029.30 : x
  2. Step 2: Convert to fraction form
    15,987.39/22,076.53 = 10,029.30/x
  3. Step 3: Cross multiply
    15,987.39x = 22,076.53 × 10,029.30
  4. Step 4: Simplify right side
    15,987.39x = 221,412,117.26
  5. Step 5: Solve for x
    x = 221,412,117.26/15,987.39
  6. Step 6: Final answer
    x = 13,849.17

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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.