Home / 55,623.12-83,434.02-13,503.60

Finding the Fourth Proportional to 55,623.12, 83,434.02 and 13,503.60

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Solution

The fourth proportional to 55,623.12, 83,434.02 and 13,503.60 is: 20,255.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,623.12 : 83,434.02 = 13,503.60 : x
  2. Step 2: Convert to fraction form
    55,623.12/83,434.02 = 13,503.60/x
  3. Step 3: Cross multiply
    55,623.12x = 83,434.02 × 13,503.60
  4. Step 4: Simplify right side
    55,623.12x = 1,126,659,632.47
  5. Step 5: Solve for x
    x = 1,126,659,632.47/55,623.12
  6. Step 6: Final answer
    x = 20,255.24

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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.