Home / 25,853.01-38,779.67-9,213.69

Finding the Fourth Proportional to 25,853.01, 38,779.67 and 9,213.69

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Solution

The fourth proportional to 25,853.01, 38,779.67 and 9,213.69 is: 13,820.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,853.01 : 38,779.67 = 9,213.69 : x
  2. Step 2: Convert to fraction form
    25,853.01/38,779.67 = 9,213.69/x
  3. Step 3: Cross multiply
    25,853.01x = 38,779.67 × 9,213.69
  4. Step 4: Simplify right side
    25,853.01x = 357,303,811.61
  5. Step 5: Solve for x
    x = 357,303,811.61/25,853.01
  6. Step 6: Final answer
    x = 13,820.59

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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.