Home / 47,206.68-70,785.64-13,922.51

Finding the Fourth Proportional to 47,206.68, 70,785.64 and 13,922.51

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Solution

The fourth proportional to 47,206.68, 70,785.64 and 13,922.51 is: 20,876.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,206.68 : 70,785.64 = 13,922.51 : x
  2. Step 2: Convert to fraction form
    47,206.68/70,785.64 = 13,922.51/x
  3. Step 3: Cross multiply
    47,206.68x = 70,785.64 × 13,922.51
  4. Step 4: Simplify right side
    47,206.68x = 985,513,780.76
  5. Step 5: Solve for x
    x = 985,513,780.76/47,206.68
  6. Step 6: Final answer
    x = 20,876.57

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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.