Home / 25,620.02-38,435.50-8,981.07

Finding the Fourth Proportional to 25,620.02, 38,435.50 and 8,981.07

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Solution

The fourth proportional to 25,620.02, 38,435.50 and 8,981.07 is: 13,473.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,620.02 : 38,435.50 = 8,981.07 : x
  2. Step 2: Convert to fraction form
    25,620.02/38,435.50 = 8,981.07/x
  3. Step 3: Cross multiply
    25,620.02x = 38,435.50 × 8,981.07
  4. Step 4: Simplify right side
    25,620.02x = 345,191,915.99
  5. Step 5: Solve for x
    x = 345,191,915.99/25,620.02
  6. Step 6: Final answer
    x = 13,473.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.