Home / 25,979.27-38,973.01-8,445

Finding the Fourth Proportional to 25,979.27, 38,973.01 and 8,445

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Solution

The fourth proportional to 25,979.27, 38,973.01 and 8,445 is: 12,668.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,979.27 : 38,973.01 = 8,445 : x
  2. Step 2: Convert to fraction form
    25,979.27/38,973.01 = 8,445/x
  3. Step 3: Cross multiply
    25,979.27x = 38,973.01 × 8,445
  4. Step 4: Simplify right side
    25,979.27x = 329,127,048.34
  5. Step 5: Solve for x
    x = 329,127,048.34/25,979.27
  6. Step 6: Final answer
    x = 12,668.83

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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.