Home / 25,929.27-38,889.25-7,210.58

Finding the Fourth Proportional to 25,929.27, 38,889.25 and 7,210.58

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Solution

The fourth proportional to 25,929.27, 38,889.25 and 7,210.58 is: 10,814.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,929.27 : 38,889.25 = 7,210.58 : x
  2. Step 2: Convert to fraction form
    25,929.27/38,889.25 = 7,210.58/x
  3. Step 3: Cross multiply
    25,929.27x = 38,889.25 × 7,210.58
  4. Step 4: Simplify right side
    25,929.27x = 280,413,835.79
  5. Step 5: Solve for x
    x = 280,413,835.79/25,929.27
  6. Step 6: Final answer
    x = 10,814.57

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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.