Home / 14,693.03-20,278.67-8,319.95

Finding the Fourth Proportional to 14,693.03, 20,278.67 and 8,319.95

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Solution

The fourth proportional to 14,693.03, 20,278.67 and 8,319.95 is: 11,482.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,693.03 : 20,278.67 = 8,319.95 : x
  2. Step 2: Convert to fraction form
    14,693.03/20,278.67 = 8,319.95/x
  3. Step 3: Cross multiply
    14,693.03x = 20,278.67 × 8,319.95
  4. Step 4: Simplify right side
    14,693.03x = 168,717,377.47
  5. Step 5: Solve for x
    x = 168,717,377.47/14,693.03
  6. Step 6: Final answer
    x = 11,482.82

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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.