Home / 15,218.32-22,831.12-4,830.08

Finding the Fourth Proportional to 15,218.32, 22,831.12 and 4,830.08

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Solution

The fourth proportional to 15,218.32, 22,831.12 and 4,830.08 is: 7,246.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,218.32 : 22,831.12 = 4,830.08 : x
  2. Step 2: Convert to fraction form
    15,218.32/22,831.12 = 4,830.08/x
  3. Step 3: Cross multiply
    15,218.32x = 22,831.12 × 4,830.08
  4. Step 4: Simplify right side
    15,218.32x = 110,276,136.09
  5. Step 5: Solve for x
    x = 110,276,136.09/15,218.32
  6. Step 6: Final answer
    x = 7,246.28

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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.