Home / 45,166.02-67,758.42-13,574.80

Finding the Fourth Proportional to 45,166.02, 67,758.42 and 13,574.80

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Solution

The fourth proportional to 45,166.02, 67,758.42 and 13,574.80 is: 20,365.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,166.02 : 67,758.42 = 13,574.80 : x
  2. Step 2: Convert to fraction form
    45,166.02/67,758.42 = 13,574.80/x
  3. Step 3: Cross multiply
    45,166.02x = 67,758.42 × 13,574.80
  4. Step 4: Simplify right side
    45,166.02x = 919,806,999.82
  5. Step 5: Solve for x
    x = 919,806,999.82/45,166.02
  6. Step 6: Final answer
    x = 20,365.02

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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.