Home / 15,631.32-23,453.76-8,602.74

Finding the Fourth Proportional to 15,631.32, 23,453.76 and 8,602.74

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Solution

The fourth proportional to 15,631.32, 23,453.76 and 8,602.74 is: 12,907.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,631.32 : 23,453.76 = 8,602.74 : x
  2. Step 2: Convert to fraction form
    15,631.32/23,453.76 = 8,602.74/x
  3. Step 3: Cross multiply
    15,631.32x = 23,453.76 × 8,602.74
  4. Step 4: Simplify right side
    15,631.32x = 201,766,599.30
  5. Step 5: Solve for x
    x = 201,766,599.30/15,631.32
  6. Step 6: Final answer
    x = 12,907.84

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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.