Home / 14,381.07-21,574.85-5,618.49

Finding the Fourth Proportional to 14,381.07, 21,574.85 and 5,618.49

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Solution

The fourth proportional to 14,381.07, 21,574.85 and 5,618.49 is: 8,429.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,381.07 : 21,574.85 = 5,618.49 : x
  2. Step 2: Convert to fraction form
    14,381.07/21,574.85 = 5,618.49/x
  3. Step 3: Cross multiply
    14,381.07x = 21,574.85 × 5,618.49
  4. Step 4: Simplify right side
    14,381.07x = 121,218,050.88
  5. Step 5: Solve for x
    x = 121,218,050.88/14,381.07
  6. Step 6: Final answer
    x = 8,429.00

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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.