Home / 25,306.02-34,889.81-20,751.98

Finding the Fourth Proportional to 25,306.02, 34,889.81 and 20,751.98

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Solution

The fourth proportional to 25,306.02, 34,889.81 and 20,751.98 is: 28,611.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,306.02 : 34,889.81 = 20,751.98 : x
  2. Step 2: Convert to fraction form
    25,306.02/34,889.81 = 20,751.98/x
  3. Step 3: Cross multiply
    25,306.02x = 34,889.81 × 20,751.98
  4. Step 4: Simplify right side
    25,306.02x = 724,032,361.11
  5. Step 5: Solve for x
    x = 724,032,361.11/25,306.02
  6. Step 6: Final answer
    x = 28,611.07

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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.