Home / 14,497.91-20,013.23-9,788.57

Finding the Fourth Proportional to 14,497.91, 20,013.23 and 9,788.57

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Solution

The fourth proportional to 14,497.91, 20,013.23 and 9,788.57 is: 13,512.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,497.91 : 20,013.23 = 9,788.57 : x
  2. Step 2: Convert to fraction form
    14,497.91/20,013.23 = 9,788.57/x
  3. Step 3: Cross multiply
    14,497.91x = 20,013.23 × 9,788.57
  4. Step 4: Simplify right side
    14,497.91x = 195,900,827.19
  5. Step 5: Solve for x
    x = 195,900,827.19/14,497.91
  6. Step 6: Final answer
    x = 13,512.35

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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.