Home / 25,211.33-37,816.85-7,681.31

Finding the Fourth Proportional to 25,211.33, 37,816.85 and 7,681.31

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Solution

The fourth proportional to 25,211.33, 37,816.85 and 7,681.31 is: 11,521.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,211.33 : 37,816.85 = 7,681.31 : x
  2. Step 2: Convert to fraction form
    25,211.33/37,816.85 = 7,681.31/x
  3. Step 3: Cross multiply
    25,211.33x = 37,816.85 × 7,681.31
  4. Step 4: Simplify right side
    25,211.33x = 290,482,778.19
  5. Step 5: Solve for x
    x = 290,482,778.19/25,211.33
  6. Step 6: Final answer
    x = 11,521.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.