Home / 14,420.49-21,626.38-7,752.88

Finding the Fourth Proportional to 14,420.49, 21,626.38 and 7,752.88

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Solution

The fourth proportional to 14,420.49, 21,626.38 and 7,752.88 is: 11,626.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,420.49 : 21,626.38 = 7,752.88 : x
  2. Step 2: Convert to fraction form
    14,420.49/21,626.38 = 7,752.88/x
  3. Step 3: Cross multiply
    14,420.49x = 21,626.38 × 7,752.88
  4. Step 4: Simplify right side
    14,420.49x = 167,666,728.97
  5. Step 5: Solve for x
    x = 167,666,728.97/14,420.49
  6. Step 6: Final answer
    x = 11,626.98

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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.