Home / 25,528.30-35,219.27-18,829.94

Finding the Fourth Proportional to 25,528.30, 35,219.27 and 18,829.94

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Solution

The fourth proportional to 25,528.30, 35,219.27 and 18,829.94 is: 25,978.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,528.30 : 35,219.27 = 18,829.94 : x
  2. Step 2: Convert to fraction form
    25,528.30/35,219.27 = 18,829.94/x
  3. Step 3: Cross multiply
    25,528.30x = 35,219.27 × 18,829.94
  4. Step 4: Simplify right side
    25,528.30x = 663,176,611.92
  5. Step 5: Solve for x
    x = 663,176,611.92/25,528.30
  6. Step 6: Final answer
    x = 25,978.10

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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.