Home / 12,417.83-18,619.73-11,358.68

Finding the Fourth Proportional to 12,417.83, 18,619.73 and 11,358.68

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Solution

The fourth proportional to 12,417.83, 18,619.73 and 11,358.68 is: 17,031.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,417.83 : 18,619.73 = 11,358.68 : x
  2. Step 2: Convert to fraction form
    12,417.83/18,619.73 = 11,358.68/x
  3. Step 3: Cross multiply
    12,417.83x = 18,619.73 × 11,358.68
  4. Step 4: Simplify right side
    12,417.83x = 211,495,404.86
  5. Step 5: Solve for x
    x = 211,495,404.86/12,417.83
  6. Step 6: Final answer
    x = 17,031.59

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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.