Home / 25,816.96-35,628.80-19,432.08

Finding the Fourth Proportional to 25,816.96, 35,628.80 and 19,432.08

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Solution

The fourth proportional to 25,816.96, 35,628.80 and 19,432.08 is: 26,817.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,816.96 : 35,628.80 = 19,432.08 : x
  2. Step 2: Convert to fraction form
    25,816.96/35,628.80 = 19,432.08/x
  3. Step 3: Cross multiply
    25,816.96x = 35,628.80 × 19,432.08
  4. Step 4: Simplify right side
    25,816.96x = 692,341,691.90
  5. Step 5: Solve for x
    x = 692,341,691.90/25,816.96
  6. Step 6: Final answer
    x = 26,817.32

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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.