Home / 15,967.04-22,020.12-9,999.23

Finding the Fourth Proportional to 15,967.04, 22,020.12 and 9,999.23

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Solution

The fourth proportional to 15,967.04, 22,020.12 and 9,999.23 is: 13,789.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,967.04 : 22,020.12 = 9,999.23 : x
  2. Step 2: Convert to fraction form
    15,967.04/22,020.12 = 9,999.23/x
  3. Step 3: Cross multiply
    15,967.04x = 22,020.12 × 9,999.23
  4. Step 4: Simplify right side
    15,967.04x = 220,184,134.41
  5. Step 5: Solve for x
    x = 220,184,134.41/15,967.04
  6. Step 6: Final answer
    x = 13,789.92

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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.