Home / 13,358.60-20,037.74-5,465.34

Finding the Fourth Proportional to 13,358.60, 20,037.74 and 5,465.34

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Solution

The fourth proportional to 13,358.60, 20,037.74 and 5,465.34 is: 8,197.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,358.60 : 20,037.74 = 5,465.34 : x
  2. Step 2: Convert to fraction form
    13,358.60/20,037.74 = 5,465.34/x
  3. Step 3: Cross multiply
    13,358.60x = 20,037.74 × 5,465.34
  4. Step 4: Simplify right side
    13,358.60x = 109,513,061.93
  5. Step 5: Solve for x
    x = 109,513,061.93/13,358.60
  6. Step 6: Final answer
    x = 8,197.94

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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.