Home / 14,039.91-21,041.55-5,710.19

Finding the Fourth Proportional to 14,039.91, 21,041.55 and 5,710.19

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Solution

The fourth proportional to 14,039.91, 21,041.55 and 5,710.19 is: 8,557.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,039.91 : 21,041.55 = 5,710.19 : x
  2. Step 2: Convert to fraction form
    14,039.91/21,041.55 = 5,710.19/x
  3. Step 3: Cross multiply
    14,039.91x = 21,041.55 × 5,710.19
  4. Step 4: Simplify right side
    14,039.91x = 120,151,143.19
  5. Step 5: Solve for x
    x = 120,151,143.19/14,039.91
  6. Step 6: Final answer
    x = 8,557.83

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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.