Home / 25,555.80-35,266.14-14,375.64

Finding the Fourth Proportional to 25,555.80, 35,266.14 and 14,375.64

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Solution

The fourth proportional to 25,555.80, 35,266.14 and 14,375.64 is: 19,837.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,555.80 : 35,266.14 = 14,375.64 : x
  2. Step 2: Convert to fraction form
    25,555.80/35,266.14 = 14,375.64/x
  3. Step 3: Cross multiply
    25,555.80x = 35,266.14 × 14,375.64
  4. Step 4: Simplify right side
    25,555.80x = 506,973,332.83
  5. Step 5: Solve for x
    x = 506,973,332.83/25,555.80
  6. Step 6: Final answer
    x = 19,837.90

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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.