Home / 14,717.49-22,063.78-6,391.20

Finding the Fourth Proportional to 14,717.49, 22,063.78 and 6,391.20

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Solution

The fourth proportional to 14,717.49, 22,063.78 and 6,391.20 is: 9,581.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,717.49 : 22,063.78 = 6,391.20 : x
  2. Step 2: Convert to fraction form
    14,717.49/22,063.78 = 6,391.20/x
  3. Step 3: Cross multiply
    14,717.49x = 22,063.78 × 6,391.20
  4. Step 4: Simplify right side
    14,717.49x = 141,014,030.74
  5. Step 5: Solve for x
    x = 141,014,030.74/14,717.49
  6. Step 6: Final answer
    x = 9,581.39

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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.