Home / 15,985.50-22,062.84-10,022.28

Finding the Fourth Proportional to 15,985.50, 22,062.84 and 10,022.28

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Solution

The fourth proportional to 15,985.50, 22,062.84 and 10,022.28 is: 13,832.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,985.50 : 22,062.84 = 10,022.28 : x
  2. Step 2: Convert to fraction form
    15,985.50/22,062.84 = 10,022.28/x
  3. Step 3: Cross multiply
    15,985.50x = 22,062.84 × 10,022.28
  4. Step 4: Simplify right side
    15,985.50x = 221,119,960.08
  5. Step 5: Solve for x
    x = 221,119,960.08/15,985.50
  6. Step 6: Final answer
    x = 13,832.53

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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.