Home / 15,788.99-23,678.36-5,256.18

Finding the Fourth Proportional to 15,788.99, 23,678.36 and 5,256.18

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Solution

The fourth proportional to 15,788.99, 23,678.36 and 5,256.18 is: 7,882.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,788.99 : 23,678.36 = 5,256.18 : x
  2. Step 2: Convert to fraction form
    15,788.99/23,678.36 = 5,256.18/x
  3. Step 3: Cross multiply
    15,788.99x = 23,678.36 × 5,256.18
  4. Step 4: Simplify right side
    15,788.99x = 124,457,695.98
  5. Step 5: Solve for x
    x = 124,457,695.98/15,788.99
  6. Step 6: Final answer
    x = 7,882.56

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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.