Home / 34,807.74-52,209.78-12,316.86

Finding the Fourth Proportional to 34,807.74, 52,209.78 and 12,316.86

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Solution

The fourth proportional to 34,807.74, 52,209.78 and 12,316.86 is: 18,474.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,807.74 : 52,209.78 = 12,316.86 : x
  2. Step 2: Convert to fraction form
    34,807.74/52,209.78 = 12,316.86/x
  3. Step 3: Cross multiply
    34,807.74x = 52,209.78 × 12,316.86
  4. Step 4: Simplify right side
    34,807.74x = 643,060,550.89
  5. Step 5: Solve for x
    x = 643,060,550.89/34,807.74
  6. Step 6: Final answer
    x = 18,474.64

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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.