Home / 15,987.64-22,076.87-10,029.55

Finding the Fourth Proportional to 15,987.64, 22,076.87 and 10,029.55

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Solution

The fourth proportional to 15,987.64, 22,076.87 and 10,029.55 is: 13,849.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,987.64 : 22,076.87 = 10,029.55 : x
  2. Step 2: Convert to fraction form
    15,987.64/22,076.87 = 10,029.55/x
  3. Step 3: Cross multiply
    15,987.64x = 22,076.87 × 10,029.55
  4. Step 4: Simplify right side
    15,987.64x = 221,421,096.58
  5. Step 5: Solve for x
    x = 221,421,096.58/15,987.64
  6. Step 6: Final answer
    x = 13,849.52

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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.