Home / 13,345.01-18,417.45-11,462.81

Finding the Fourth Proportional to 13,345.01, 18,417.45 and 11,462.81

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Solution

The fourth proportional to 13,345.01, 18,417.45 and 11,462.81 is: 15,819.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,345.01 : 18,417.45 = 11,462.81 : x
  2. Step 2: Convert to fraction form
    13,345.01/18,417.45 = 11,462.81/x
  3. Step 3: Cross multiply
    13,345.01x = 18,417.45 × 11,462.81
  4. Step 4: Simplify right side
    13,345.01x = 211,115,730.03
  5. Step 5: Solve for x
    x = 211,115,730.03/13,345.01
  6. Step 6: Final answer
    x = 15,819.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.