Home / 14,752.17-20,357.21-8,378.60

Finding the Fourth Proportional to 14,752.17, 20,357.21 and 8,378.60

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Solution

The fourth proportional to 14,752.17, 20,357.21 and 8,378.60 is: 11,562.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,752.17 : 20,357.21 = 8,378.60 : x
  2. Step 2: Convert to fraction form
    14,752.17/20,357.21 = 8,378.60/x
  3. Step 3: Cross multiply
    14,752.17x = 20,357.21 × 8,378.60
  4. Step 4: Simplify right side
    14,752.17x = 170,564,776.03
  5. Step 5: Solve for x
    x = 170,564,776.03/14,752.17
  6. Step 6: Final answer
    x = 11,562.01

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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.