Home / 22,929.60-34,394.40-13,713.60

Finding the Fourth Proportional to 22,929.60, 34,394.40 and 13,713.60

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Solution

The fourth proportional to 22,929.60, 34,394.40 and 13,713.60 is: 20,570.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,929.60 : 34,394.40 = 13,713.60 : x
  2. Step 2: Convert to fraction form
    22,929.60/34,394.40 = 13,713.60/x
  3. Step 3: Cross multiply
    22,929.60x = 34,394.40 × 13,713.60
  4. Step 4: Simplify right side
    22,929.60x = 471,671,043.84
  5. Step 5: Solve for x
    x = 471,671,043.84/22,929.60
  6. Step 6: Final answer
    x = 20,570.40

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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.