Home / 25,740.65-35,525.08-15,674.98

Finding the Fourth Proportional to 25,740.65, 35,525.08 and 15,674.98

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Solution

The fourth proportional to 25,740.65, 35,525.08 and 15,674.98 is: 21,633.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,740.65 : 35,525.08 = 15,674.98 : x
  2. Step 2: Convert to fraction form
    25,740.65/35,525.08 = 15,674.98/x
  3. Step 3: Cross multiply
    25,740.65x = 35,525.08 × 15,674.98
  4. Step 4: Simplify right side
    25,740.65x = 556,854,965.85
  5. Step 5: Solve for x
    x = 556,854,965.85/25,740.65
  6. Step 6: Final answer
    x = 21,633.29

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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.