Home / 55,615.64-83,422.75-13,496.06

Finding the Fourth Proportional to 55,615.64, 83,422.75 and 13,496.06

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Solution

The fourth proportional to 55,615.64, 83,422.75 and 13,496.06 is: 20,243.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,615.64 : 83,422.75 = 13,496.06 : x
  2. Step 2: Convert to fraction form
    55,615.64/83,422.75 = 13,496.06/x
  3. Step 3: Cross multiply
    55,615.64x = 83,422.75 × 13,496.06
  4. Step 4: Simplify right side
    55,615.64x = 1,125,878,639.49
  5. Step 5: Solve for x
    x = 1,125,878,639.49/55,615.64
  6. Step 6: Final answer
    x = 20,243.92

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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.