Home / 20,101.76-30,153.59-16,585.25

Finding the Fourth Proportional to 20,101.76, 30,153.59 and 16,585.25

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Solution

The fourth proportional to 20,101.76, 30,153.59 and 16,585.25 is: 24,878.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,101.76 : 30,153.59 = 16,585.25 : x
  2. Step 2: Convert to fraction form
    20,101.76/30,153.59 = 16,585.25/x
  3. Step 3: Cross multiply
    20,101.76x = 30,153.59 × 16,585.25
  4. Step 4: Simplify right side
    20,101.76x = 500,104,828.55
  5. Step 5: Solve for x
    x = 500,104,828.55/20,101.76
  6. Step 6: Final answer
    x = 24,878.66

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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.