Home / 14,557.88-20,069.54-12,310.74

Finding the Fourth Proportional to 14,557.88, 20,069.54 and 12,310.74

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Solution

The fourth proportional to 14,557.88, 20,069.54 and 12,310.74 is: 16,971.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,557.88 : 20,069.54 = 12,310.74 : x
  2. Step 2: Convert to fraction form
    14,557.88/20,069.54 = 12,310.74/x
  3. Step 3: Cross multiply
    14,557.88x = 20,069.54 × 12,310.74
  4. Step 4: Simplify right side
    14,557.88x = 247,070,827.31
  5. Step 5: Solve for x
    x = 247,070,827.31/14,557.88
  6. Step 6: Final answer
    x = 16,971.62

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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.