Home / 15,103.08-22,544.64-13,856.76

Finding the Fourth Proportional to 15,103.08, 22,544.64 and 13,856.76

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Solution

The fourth proportional to 15,103.08, 22,544.64 and 13,856.76 is: 20,684.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,103.08 : 22,544.64 = 13,856.76 : x
  2. Step 2: Convert to fraction form
    15,103.08/22,544.64 = 13,856.76/x
  3. Step 3: Cross multiply
    15,103.08x = 22,544.64 × 13,856.76
  4. Step 4: Simplify right side
    15,103.08x = 312,395,665.77
  5. Step 5: Solve for x
    x = 312,395,665.77/15,103.08
  6. Step 6: Final answer
    x = 20,684.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.