Home / 14,535.14-20,062.33-8,570.78

Finding the Fourth Proportional to 14,535.14, 20,062.33 and 8,570.78

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Solution

The fourth proportional to 14,535.14, 20,062.33 and 8,570.78 is: 11,829.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,535.14 : 20,062.33 = 8,570.78 : x
  2. Step 2: Convert to fraction form
    14,535.14/20,062.33 = 8,570.78/x
  3. Step 3: Cross multiply
    14,535.14x = 20,062.33 × 8,570.78
  4. Step 4: Simplify right side
    14,535.14x = 171,949,816.72
  5. Step 5: Solve for x
    x = 171,949,816.72/14,535.14
  6. Step 6: Final answer
    x = 11,829.94

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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.