Home / 23,065.18-31,813.58-15,404.62

Finding the Fourth Proportional to 23,065.18, 31,813.58 and 15,404.62

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Solution

The fourth proportional to 23,065.18, 31,813.58 and 15,404.62 is: 21,247.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,065.18 : 31,813.58 = 15,404.62 : x
  2. Step 2: Convert to fraction form
    23,065.18/31,813.58 = 15,404.62/x
  3. Step 3: Cross multiply
    23,065.18x = 31,813.58 × 15,404.62
  4. Step 4: Simplify right side
    23,065.18x = 490,076,110.74
  5. Step 5: Solve for x
    x = 490,076,110.74/23,065.18
  6. Step 6: Final answer
    x = 21,247.44

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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.