Home / 16,048.65-22,146.48-8,780.63

Finding the Fourth Proportional to 16,048.65, 22,146.48 and 8,780.63

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Solution

The fourth proportional to 16,048.65, 22,146.48 and 8,780.63 is: 12,116.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,048.65 : 22,146.48 = 8,780.63 : x
  2. Step 2: Convert to fraction form
    16,048.65/22,146.48 = 8,780.63/x
  3. Step 3: Cross multiply
    16,048.65x = 22,146.48 × 8,780.63
  4. Step 4: Simplify right side
    16,048.65x = 194,459,935.95
  5. Step 5: Solve for x
    x = 194,459,935.95/16,048.65
  6. Step 6: Final answer
    x = 12,116.90

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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.