Home / 14,803.38-20,405.65-10,079.54

Finding the Fourth Proportional to 14,803.38, 20,405.65 and 10,079.54

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Solution

The fourth proportional to 14,803.38, 20,405.65 and 10,079.54 is: 13,894.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,803.38 : 20,405.65 = 10,079.54 : x
  2. Step 2: Convert to fraction form
    14,803.38/20,405.65 = 10,079.54/x
  3. Step 3: Cross multiply
    14,803.38x = 20,405.65 × 10,079.54
  4. Step 4: Simplify right side
    14,803.38x = 205,679,565.40
  5. Step 5: Solve for x
    x = 205,679,565.40/14,803.38
  6. Step 6: Final answer
    x = 13,894.09

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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.