Home / 23,026.34-31,775.99-12,954.78

Finding the Fourth Proportional to 23,026.34, 31,775.99 and 12,954.78

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Solution

The fourth proportional to 23,026.34, 31,775.99 and 12,954.78 is: 17,877.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,026.34 : 31,775.99 = 12,954.78 : x
  2. Step 2: Convert to fraction form
    23,026.34/31,775.99 = 12,954.78/x
  3. Step 3: Cross multiply
    23,026.34x = 31,775.99 × 12,954.78
  4. Step 4: Simplify right side
    23,026.34x = 411,650,894.96
  5. Step 5: Solve for x
    x = 411,650,894.96/23,026.34
  6. Step 6: Final answer
    x = 17,877.40

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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.