Home / 14,104.33-19,458.81-8,439.23

Finding the Fourth Proportional to 14,104.33, 19,458.81 and 8,439.23

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Solution

The fourth proportional to 14,104.33, 19,458.81 and 8,439.23 is: 11,643.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,104.33 : 19,458.81 = 8,439.23 : x
  2. Step 2: Convert to fraction form
    14,104.33/19,458.81 = 8,439.23/x
  3. Step 3: Cross multiply
    14,104.33x = 19,458.81 × 8,439.23
  4. Step 4: Simplify right side
    14,104.33x = 164,217,421.76
  5. Step 5: Solve for x
    x = 164,217,421.76/14,104.33
  6. Step 6: Final answer
    x = 11,643.05

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Double scale
Find fourth proportional to 14,105.33, 19,460.19 and 8,440.23
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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.