Home / 25,729.65-35,515.80-19,753.74

Finding the Fourth Proportional to 25,729.65, 35,515.80 and 19,753.74

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Solution

The fourth proportional to 25,729.65, 35,515.80 and 19,753.74 is: 27,266.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,729.65 : 35,515.80 = 19,753.74 : x
  2. Step 2: Convert to fraction form
    25,729.65/35,515.80 = 19,753.74/x
  3. Step 3: Cross multiply
    25,729.65x = 35,515.80 × 19,753.74
  4. Step 4: Simplify right side
    25,729.65x = 701,569,879.09
  5. Step 5: Solve for x
    x = 701,569,879.09/25,729.65
  6. Step 6: Final answer
    x = 27,266.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.