Home / 55,632.88-83,448.56-13,513.28

Finding the Fourth Proportional to 55,632.88, 83,448.56 and 13,513.28

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Solution

The fourth proportional to 55,632.88, 83,448.56 and 13,513.28 is: 20,269.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,632.88 : 83,448.56 = 13,513.28 : x
  2. Step 2: Convert to fraction form
    55,632.88/83,448.56 = 13,513.28/x
  3. Step 3: Cross multiply
    55,632.88x = 83,448.56 × 13,513.28
  4. Step 4: Simplify right side
    55,632.88x = 1,127,663,756.88
  5. Step 5: Solve for x
    x = 1,127,663,756.88/55,632.88
  6. Step 6: Final answer
    x = 20,269.74

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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.