Home / 25,491.36-35,181.54-14,315.52

Finding the Fourth Proportional to 25,491.36, 35,181.54 and 14,315.52

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Solution

The fourth proportional to 25,491.36, 35,181.54 and 14,315.52 is: 19,757.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,491.36 : 35,181.54 = 14,315.52 : x
  2. Step 2: Convert to fraction form
    25,491.36/35,181.54 = 14,315.52/x
  3. Step 3: Cross multiply
    25,491.36x = 35,181.54 × 14,315.52
  4. Step 4: Simplify right side
    25,491.36x = 503,642,039.50
  5. Step 5: Solve for x
    x = 503,642,039.50/25,491.36
  6. Step 6: Final answer
    x = 19,757.36

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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.