Home / 14,041.84-21,054.12-9,664.72

Finding the Fourth Proportional to 14,041.84, 21,054.12 and 9,664.72

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Solution

The fourth proportional to 14,041.84, 21,054.12 and 9,664.72 is: 14,491.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,041.84 : 21,054.12 = 9,664.72 : x
  2. Step 2: Convert to fraction form
    14,041.84/21,054.12 = 9,664.72/x
  3. Step 3: Cross multiply
    14,041.84x = 21,054.12 × 9,664.72
  4. Step 4: Simplify right side
    14,041.84x = 203,482,174.65
  5. Step 5: Solve for x
    x = 203,482,174.65/14,041.84
  6. Step 6: Final answer
    x = 14,491.13

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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.