Home / 25,496.65-35,186.16-15,426.94

Finding the Fourth Proportional to 25,496.65, 35,186.16 and 15,426.94

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Solution

The fourth proportional to 25,496.65, 35,186.16 and 15,426.94 is: 21,289.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,496.65 : 35,186.16 = 15,426.94 : x
  2. Step 2: Convert to fraction form
    25,496.65/35,186.16 = 15,426.94/x
  3. Step 3: Cross multiply
    25,496.65x = 35,186.16 × 15,426.94
  4. Step 4: Simplify right side
    25,496.65x = 542,814,779.15
  5. Step 5: Solve for x
    x = 542,814,779.15/25,496.65
  6. Step 6: Final answer
    x = 21,289.65

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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.