Home / 25,281.36-37,916.28-6,814.80

Finding the Fourth Proportional to 25,281.36, 37,916.28 and 6,814.80

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Solution

The fourth proportional to 25,281.36, 37,916.28 and 6,814.80 is: 10,220.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,281.36 : 37,916.28 = 6,814.80 : x
  2. Step 2: Convert to fraction form
    25,281.36/37,916.28 = 6,814.80/x
  3. Step 3: Cross multiply
    25,281.36x = 37,916.28 × 6,814.80
  4. Step 4: Simplify right side
    25,281.36x = 258,391,864.94
  5. Step 5: Solve for x
    x = 258,391,864.94/25,281.36
  6. Step 6: Final answer
    x = 10,220.65

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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.