Home / 15,986.16-22,060.45-10,021.12

Finding the Fourth Proportional to 15,986.16, 22,060.45 and 10,021.12

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Solution

The fourth proportional to 15,986.16, 22,060.45 and 10,021.12 is: 13,828.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,986.16 : 22,060.45 = 10,021.12 : x
  2. Step 2: Convert to fraction form
    15,986.16/22,060.45 = 10,021.12/x
  3. Step 3: Cross multiply
    15,986.16x = 22,060.45 × 10,021.12
  4. Step 4: Simplify right side
    15,986.16x = 221,070,374.08
  5. Step 5: Solve for x
    x = 221,070,374.08/15,986.16
  6. Step 6: Final answer
    x = 13,828.86

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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.