Home / 15,922.28-21,966.63-10,256.59

Finding the Fourth Proportional to 15,922.28, 21,966.63 and 10,256.59

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Solution

The fourth proportional to 15,922.28, 21,966.63 and 10,256.59 is: 14,150.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,922.28 : 21,966.63 = 10,256.59 : x
  2. Step 2: Convert to fraction form
    15,922.28/21,966.63 = 10,256.59/x
  3. Step 3: Cross multiply
    15,922.28x = 21,966.63 × 10,256.59
  4. Step 4: Simplify right side
    15,922.28x = 225,302,706.59
  5. Step 5: Solve for x
    x = 225,302,706.59/15,922.28
  6. Step 6: Final answer
    x = 14,150.15

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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.