Home / 23,898.78-32,981.58-13,289.04

Finding the Fourth Proportional to 23,898.78, 32,981.58 and 13,289.04

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Solution

The fourth proportional to 23,898.78, 32,981.58 and 13,289.04 is: 18,339.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,898.78 : 32,981.58 = 13,289.04 : x
  2. Step 2: Convert to fraction form
    23,898.78/32,981.58 = 13,289.04/x
  3. Step 3: Cross multiply
    23,898.78x = 32,981.58 × 13,289.04
  4. Step 4: Simplify right side
    23,898.78x = 438,293,535.88
  5. Step 5: Solve for x
    x = 438,293,535.88/23,898.78
  6. Step 6: Final answer
    x = 18,339.58

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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.