Home / 15,194.64-20,967.57-8,734.50

Finding the Fourth Proportional to 15,194.64, 20,967.57 and 8,734.50

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Solution

The fourth proportional to 15,194.64, 20,967.57 and 8,734.50 is: 12,053.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,194.64 : 20,967.57 = 8,734.50 : x
  2. Step 2: Convert to fraction form
    15,194.64/20,967.57 = 8,734.50/x
  3. Step 3: Cross multiply
    15,194.64x = 20,967.57 × 8,734.50
  4. Step 4: Simplify right side
    15,194.64x = 183,141,240.17
  5. Step 5: Solve for x
    x = 183,141,240.17/15,194.64
  6. Step 6: Final answer
    x = 12,053.02

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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.