Home / 27,913.84-38,520.48-15,166.69

Finding the Fourth Proportional to 27,913.84, 38,520.48 and 15,166.69

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Solution

The fourth proportional to 27,913.84, 38,520.48 and 15,166.69 is: 20,929.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,913.84 : 38,520.48 = 15,166.69 : x
  2. Step 2: Convert to fraction form
    27,913.84/38,520.48 = 15,166.69/x
  3. Step 3: Cross multiply
    27,913.84x = 38,520.48 × 15,166.69
  4. Step 4: Simplify right side
    27,913.84x = 584,228,178.81
  5. Step 5: Solve for x
    x = 584,228,178.81/27,913.84
  6. Step 6: Final answer
    x = 20,929.70

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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.