Home / 16,774.50-23,148.60-9,117.72

Finding the Fourth Proportional to 16,774.50, 23,148.60 and 9,117.72

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Solution

The fourth proportional to 16,774.50, 23,148.60 and 9,117.72 is: 12,582.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,774.50 : 23,148.60 = 9,117.72 : x
  2. Step 2: Convert to fraction form
    16,774.50/23,148.60 = 9,117.72/x
  3. Step 3: Cross multiply
    16,774.50x = 23,148.60 × 9,117.72
  4. Step 4: Simplify right side
    16,774.50x = 211,062,453.19
  5. Step 5: Solve for x
    x = 211,062,453.19/16,774.50
  6. Step 6: Final answer
    x = 12,582.34

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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.