Home / 25,161.06-34,723.08-13,830.93

Finding the Fourth Proportional to 25,161.06, 34,723.08 and 13,830.93

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Solution

The fourth proportional to 25,161.06, 34,723.08 and 13,830.93 is: 19,087.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,161.06 : 34,723.08 = 13,830.93 : x
  2. Step 2: Convert to fraction form
    25,161.06/34,723.08 = 13,830.93/x
  3. Step 3: Cross multiply
    25,161.06x = 34,723.08 × 13,830.93
  4. Step 4: Simplify right side
    25,161.06x = 480,252,488.86
  5. Step 5: Solve for x
    x = 480,252,488.86/25,161.06
  6. Step 6: Final answer
    x = 19,087.13

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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.