Home / 12,341.81-17,020.44-10,555.99

Finding the Fourth Proportional to 12,341.81, 17,020.44 and 10,555.99

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Solution

The fourth proportional to 12,341.81, 17,020.44 and 10,555.99 is: 14,557.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,341.81 : 17,020.44 = 10,555.99 : x
  2. Step 2: Convert to fraction form
    12,341.81/17,020.44 = 10,555.99/x
  3. Step 3: Cross multiply
    12,341.81x = 17,020.44 × 10,555.99
  4. Step 4: Simplify right side
    12,341.81x = 179,667,594.44
  5. Step 5: Solve for x
    x = 179,667,594.44/12,341.81
  6. Step 6: Final answer
    x = 14,557.64

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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.