Home / 19,606.86-29,393.74-8,505.18

Finding the Fourth Proportional to 19,606.86, 29,393.74 and 8,505.18

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Solution

The fourth proportional to 19,606.86, 29,393.74 and 8,505.18 is: 12,750.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,606.86 : 29,393.74 = 8,505.18 : x
  2. Step 2: Convert to fraction form
    19,606.86/29,393.74 = 8,505.18/x
  3. Step 3: Cross multiply
    19,606.86x = 29,393.74 × 8,505.18
  4. Step 4: Simplify right side
    19,606.86x = 249,999,049.57
  5. Step 5: Solve for x
    x = 249,999,049.57/19,606.86
  6. Step 6: Final answer
    x = 12,750.59

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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.