Home / 14,581.62-21,875.40-4,720.68

Finding the Fourth Proportional to 14,581.62, 21,875.40 and 4,720.68

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Solution

The fourth proportional to 14,581.62, 21,875.40 and 4,720.68 is: 7,081.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,581.62 : 21,875.40 = 4,720.68 : x
  2. Step 2: Convert to fraction form
    14,581.62/21,875.40 = 4,720.68/x
  3. Step 3: Cross multiply
    14,581.62x = 21,875.40 × 4,720.68
  4. Step 4: Simplify right side
    14,581.62x = 103,266,763.27
  5. Step 5: Solve for x
    x = 103,266,763.27/14,581.62
  6. Step 6: Final answer
    x = 7,081.98

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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.