Home / 20,858.61-31,292.55-6,068.70

Finding the Fourth Proportional to 20,858.61, 31,292.55 and 6,068.70

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Solution

The fourth proportional to 20,858.61, 31,292.55 and 6,068.70 is: 9,104.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,858.61 : 31,292.55 = 6,068.70 : x
  2. Step 2: Convert to fraction form
    20,858.61/31,292.55 = 6,068.70/x
  3. Step 3: Cross multiply
    20,858.61x = 31,292.55 × 6,068.70
  4. Step 4: Simplify right side
    20,858.61x = 189,905,098.19
  5. Step 5: Solve for x
    x = 189,905,098.19/20,858.61
  6. Step 6: Final answer
    x = 9,104.40

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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.