Home / 35,188.14-52,780.59-12,999.90

Finding the Fourth Proportional to 35,188.14, 52,780.59 and 12,999.90

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Solution

The fourth proportional to 35,188.14, 52,780.59 and 12,999.90 is: 19,499.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,188.14 : 52,780.59 = 12,999.90 : x
  2. Step 2: Convert to fraction form
    35,188.14/52,780.59 = 12,999.90/x
  3. Step 3: Cross multiply
    35,188.14x = 52,780.59 × 12,999.90
  4. Step 4: Simplify right side
    35,188.14x = 686,142,391.94
  5. Step 5: Solve for x
    x = 686,142,391.94/35,188.14
  6. Step 6: Final answer
    x = 19,499.25

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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.