Home / 14,390.84-19,857.90-10,616.04

Finding the Fourth Proportional to 14,390.84, 19,857.90 and 10,616.04

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Solution

The fourth proportional to 14,390.84, 19,857.90 and 10,616.04 is: 14,649.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,390.84 : 19,857.90 = 10,616.04 : x
  2. Step 2: Convert to fraction form
    14,390.84/19,857.90 = 10,616.04/x
  3. Step 3: Cross multiply
    14,390.84x = 19,857.90 × 10,616.04
  4. Step 4: Simplify right side
    14,390.84x = 210,812,260.72
  5. Step 5: Solve for x
    x = 210,812,260.72/14,390.84
  6. Step 6: Final answer
    x = 14,649.06

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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.