Home / 35,279.10-52,904.86-12,784.44

Finding the Fourth Proportional to 35,279.10, 52,904.86 and 12,784.44

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Solution

The fourth proportional to 35,279.10, 52,904.86 and 12,784.44 is: 19,171.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,279.10 : 52,904.86 = 12,784.44 : x
  2. Step 2: Convert to fraction form
    35,279.10/52,904.86 = 12,784.44/x
  3. Step 3: Cross multiply
    35,279.10x = 52,904.86 × 12,784.44
  4. Step 4: Simplify right side
    35,279.10x = 676,359,008.38
  5. Step 5: Solve for x
    x = 676,359,008.38/35,279.10
  6. Step 6: Final answer
    x = 19,171.66

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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.