Home / 14,581.49-21,870.41-4,719.74

Finding the Fourth Proportional to 14,581.49, 21,870.41 and 4,719.74

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Solution

The fourth proportional to 14,581.49, 21,870.41 and 4,719.74 is: 7,079.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,581.49 : 21,870.41 = 4,719.74 : x
  2. Step 2: Convert to fraction form
    14,581.49/21,870.41 = 4,719.74/x
  3. Step 3: Cross multiply
    14,581.49x = 21,870.41 × 4,719.74
  4. Step 4: Simplify right side
    14,581.49x = 103,222,515.94
  5. Step 5: Solve for x
    x = 103,222,515.94/14,581.49
  6. Step 6: Final answer
    x = 7,079.01

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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.