Home / 12,265.71-18,387.63-5,595.36

Finding the Fourth Proportional to 12,265.71, 18,387.63 and 5,595.36

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Solution

The fourth proportional to 12,265.71, 18,387.63 and 5,595.36 is: 8,388.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,265.71 : 18,387.63 = 5,595.36 : x
  2. Step 2: Convert to fraction form
    12,265.71/18,387.63 = 5,595.36/x
  3. Step 3: Cross multiply
    12,265.71x = 18,387.63 × 5,595.36
  4. Step 4: Simplify right side
    12,265.71x = 102,885,409.40
  5. Step 5: Solve for x
    x = 102,885,409.40/12,265.71
  6. Step 6: Final answer
    x = 8,388.05

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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.