Home / 15,432.60-23,166.90-8,045.40

Finding the Fourth Proportional to 15,432.60, 23,166.90 and 8,045.40

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Solution

The fourth proportional to 15,432.60, 23,166.90 and 8,045.40 is: 12,077.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,432.60 : 23,166.90 = 8,045.40 : x
  2. Step 2: Convert to fraction form
    15,432.60/23,166.90 = 8,045.40/x
  3. Step 3: Cross multiply
    15,432.60x = 23,166.90 × 8,045.40
  4. Step 4: Simplify right side
    15,432.60x = 186,386,977.26
  5. Step 5: Solve for x
    x = 186,386,977.26/15,432.60
  6. Step 6: Final answer
    x = 12,077.48

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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.