Home / 13,772.02-20,666.16-5,007.58

Finding the Fourth Proportional to 13,772.02, 20,666.16 and 5,007.58

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Solution

The fourth proportional to 13,772.02, 20,666.16 and 5,007.58 is: 7,514.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,772.02 : 20,666.16 = 5,007.58 : x
  2. Step 2: Convert to fraction form
    13,772.02/20,666.16 = 5,007.58/x
  3. Step 3: Cross multiply
    13,772.02x = 20,666.16 × 5,007.58
  4. Step 4: Simplify right side
    13,772.02x = 103,487,449.49
  5. Step 5: Solve for x
    x = 103,487,449.49/13,772.02
  6. Step 6: Final answer
    x = 7,514.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.