Home / 15,966.28-22,031.80-9,833.01

Finding the Fourth Proportional to 15,966.28, 22,031.80 and 9,833.01

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Solution

The fourth proportional to 15,966.28, 22,031.80 and 9,833.01 is: 13,568.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,966.28 : 22,031.80 = 9,833.01 : x
  2. Step 2: Convert to fraction form
    15,966.28/22,031.80 = 9,833.01/x
  3. Step 3: Cross multiply
    15,966.28x = 22,031.80 × 9,833.01
  4. Step 4: Simplify right side
    15,966.28x = 216,638,857.83
  5. Step 5: Solve for x
    x = 216,638,857.83/15,966.28
  6. Step 6: Final answer
    x = 13,568.52

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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.