Home / 15,108.04-20,847.51-8,733.63

Finding the Fourth Proportional to 15,108.04, 20,847.51 and 8,733.63

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Solution

The fourth proportional to 15,108.04, 20,847.51 and 8,733.63 is: 12,051.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,108.04 : 20,847.51 = 8,733.63 : x
  2. Step 2: Convert to fraction form
    15,108.04/20,847.51 = 8,733.63/x
  3. Step 3: Cross multiply
    15,108.04x = 20,847.51 × 8,733.63
  4. Step 4: Simplify right side
    15,108.04x = 182,074,438.76
  5. Step 5: Solve for x
    x = 182,074,438.76/15,108.04
  6. Step 6: Final answer
    x = 12,051.49

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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.