Home / 23,909.78-35,874.63-12,813.62

Finding the Fourth Proportional to 23,909.78, 35,874.63 and 12,813.62

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Solution

The fourth proportional to 23,909.78, 35,874.63 and 12,813.62 is: 19,225.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,909.78 : 35,874.63 = 12,813.62 : x
  2. Step 2: Convert to fraction form
    23,909.78/35,874.63 = 12,813.62/x
  3. Step 3: Cross multiply
    23,909.78x = 35,874.63 × 12,813.62
  4. Step 4: Simplify right side
    23,909.78x = 459,683,876.46
  5. Step 5: Solve for x
    x = 459,683,876.46/23,909.78
  6. Step 6: Final answer
    x = 19,225.77

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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.