Home / 15,952.48-22,014.92-8,685.06

Finding the Fourth Proportional to 15,952.48, 22,014.92 and 8,685.06

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Solution

The fourth proportional to 15,952.48, 22,014.92 and 8,685.06 is: 11,985.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,952.48 : 22,014.92 = 8,685.06 : x
  2. Step 2: Convert to fraction form
    15,952.48/22,014.92 = 8,685.06/x
  3. Step 3: Cross multiply
    15,952.48x = 22,014.92 × 8,685.06
  4. Step 4: Simplify right side
    15,952.48x = 191,200,857.67
  5. Step 5: Solve for x
    x = 191,200,857.67/15,952.48
  6. Step 6: Final answer
    x = 11,985.65

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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.