Home / 25,436.80-35,090.40-14,822.56

Finding the Fourth Proportional to 25,436.80, 35,090.40 and 14,822.56

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Solution

The fourth proportional to 25,436.80, 35,090.40 and 14,822.56 is: 20,447.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,436.80 : 35,090.40 = 14,822.56 : x
  2. Step 2: Convert to fraction form
    25,436.80/35,090.40 = 14,822.56/x
  3. Step 3: Cross multiply
    25,436.80x = 35,090.40 × 14,822.56
  4. Step 4: Simplify right side
    25,436.80x = 520,129,559.42
  5. Step 5: Solve for x
    x = 520,129,559.42/25,436.80
  6. Step 6: Final answer
    x = 20,447.92

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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.