Home / 55,629.88-83,444.05-13,510.28

Finding the Fourth Proportional to 55,629.88, 83,444.05 and 13,510.28

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Solution

The fourth proportional to 55,629.88, 83,444.05 and 13,510.28 is: 20,265.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,629.88 : 83,444.05 = 13,510.28 : x
  2. Step 2: Convert to fraction form
    55,629.88/83,444.05 = 13,510.28/x
  3. Step 3: Cross multiply
    55,629.88x = 83,444.05 × 13,510.28
  4. Step 4: Simplify right side
    55,629.88x = 1,127,352,479.83
  5. Step 5: Solve for x
    x = 1,127,352,479.83/55,629.88
  6. Step 6: Final answer
    x = 20,265.23

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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.