Home / 25,821.76-35,632.72-14,489.84

Finding the Fourth Proportional to 25,821.76, 35,632.72 and 14,489.84

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Solution

The fourth proportional to 25,821.76, 35,632.72 and 14,489.84 is: 19,995.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,821.76 : 35,632.72 = 14,489.84 : x
  2. Step 2: Convert to fraction form
    25,821.76/35,632.72 = 14,489.84/x
  3. Step 3: Cross multiply
    25,821.76x = 35,632.72 × 14,489.84
  4. Step 4: Simplify right side
    25,821.76x = 516,312,411.56
  5. Step 5: Solve for x
    x = 516,312,411.56/25,821.76
  6. Step 6: Final answer
    x = 19,995.24

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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.