Home / 14,115.24-19,479.18-7,828.02

Finding the Fourth Proportional to 14,115.24, 19,479.18 and 7,828.02

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Solution

The fourth proportional to 14,115.24, 19,479.18 and 7,828.02 is: 10,802.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,115.24 : 19,479.18 = 7,828.02 : x
  2. Step 2: Convert to fraction form
    14,115.24/19,479.18 = 7,828.02/x
  3. Step 3: Cross multiply
    14,115.24x = 19,479.18 × 7,828.02
  4. Step 4: Simplify right side
    14,115.24x = 152,483,410.62
  5. Step 5: Solve for x
    x = 152,483,410.62/14,115.24
  6. Step 6: Final answer
    x = 10,802.75

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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.