Home / 15,995.61-22,074.08-8,922.47

Finding the Fourth Proportional to 15,995.61, 22,074.08 and 8,922.47

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Solution

The fourth proportional to 15,995.61, 22,074.08 and 8,922.47 is: 12,313.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,995.61 : 22,074.08 = 8,922.47 : x
  2. Step 2: Convert to fraction form
    15,995.61/22,074.08 = 8,922.47/x
  3. Step 3: Cross multiply
    15,995.61x = 22,074.08 × 8,922.47
  4. Step 4: Simplify right side
    15,995.61x = 196,955,161.59
  5. Step 5: Solve for x
    x = 196,955,161.59/15,995.61
  6. Step 6: Final answer
    x = 12,313.08

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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.