Home / 12,959.40-19,424.70-5,562.60

Finding the Fourth Proportional to 12,959.40, 19,424.70 and 5,562.60

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Solution

The fourth proportional to 12,959.40, 19,424.70 and 5,562.60 is: 8,337.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,959.40 : 19,424.70 = 5,562.60 : x
  2. Step 2: Convert to fraction form
    12,959.40/19,424.70 = 5,562.60/x
  3. Step 3: Cross multiply
    12,959.40x = 19,424.70 × 5,562.60
  4. Step 4: Simplify right side
    12,959.40x = 108,051,836.22
  5. Step 5: Solve for x
    x = 108,051,836.22/12,959.40
  6. Step 6: Final answer
    x = 8,337.72

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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.