Home / 15,972.04-22,029.68-10,303.91

Finding the Fourth Proportional to 15,972.04, 22,029.68 and 10,303.91

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Solution

The fourth proportional to 15,972.04, 22,029.68 and 10,303.91 is: 14,211.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,972.04 : 22,029.68 = 10,303.91 : x
  2. Step 2: Convert to fraction form
    15,972.04/22,029.68 = 10,303.91/x
  3. Step 3: Cross multiply
    15,972.04x = 22,029.68 × 10,303.91
  4. Step 4: Simplify right side
    15,972.04x = 226,991,840.05
  5. Step 5: Solve for x
    x = 226,991,840.05/15,972.04
  6. Step 6: Final answer
    x = 14,211.83

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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.