Home / 16,364.61-22,579.69-11,320.74

Finding the Fourth Proportional to 16,364.61, 22,579.69 and 11,320.74

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Solution

The fourth proportional to 16,364.61, 22,579.69 and 11,320.74 is: 15,620.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,364.61 : 22,579.69 = 11,320.74 : x
  2. Step 2: Convert to fraction form
    16,364.61/22,579.69 = 11,320.74/x
  3. Step 3: Cross multiply
    16,364.61x = 22,579.69 × 11,320.74
  4. Step 4: Simplify right side
    16,364.61x = 255,618,799.77
  5. Step 5: Solve for x
    x = 255,618,799.77/16,364.61
  6. Step 6: Final answer
    x = 15,620.22

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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.