Home / 19,987.94-27,585.69-16,624.82

Finding the Fourth Proportional to 19,987.94, 27,585.69 and 16,624.82

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Solution

The fourth proportional to 19,987.94, 27,585.69 and 16,624.82 is: 22,944.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,987.94 : 27,585.69 = 16,624.82 : x
  2. Step 2: Convert to fraction form
    19,987.94/27,585.69 = 16,624.82/x
  3. Step 3: Cross multiply
    19,987.94x = 27,585.69 × 16,624.82
  4. Step 4: Simplify right side
    19,987.94x = 458,607,130.83
  5. Step 5: Solve for x
    x = 458,607,130.83/19,987.94
  6. Step 6: Final answer
    x = 22,944.19

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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.