Home / 23,813.84-32,880.12-15,874.76

Finding the Fourth Proportional to 23,813.84, 32,880.12 and 15,874.76

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Solution

The fourth proportional to 23,813.84, 32,880.12 and 15,874.76 is: 21,918.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,813.84 : 32,880.12 = 15,874.76 : x
  2. Step 2: Convert to fraction form
    23,813.84/32,880.12 = 15,874.76/x
  3. Step 3: Cross multiply
    23,813.84x = 32,880.12 × 15,874.76
  4. Step 4: Simplify right side
    23,813.84x = 521,964,013.77
  5. Step 5: Solve for x
    x = 521,964,013.77/23,813.84
  6. Step 6: Final answer
    x = 21,918.52

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Half scale
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Double scale
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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.