Home / 14,581.35-21,875.51-4,720.64

Finding the Fourth Proportional to 14,581.35, 21,875.51 and 4,720.64

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Solution

The fourth proportional to 14,581.35, 21,875.51 and 4,720.64 is: 7,082.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,581.35 : 21,875.51 = 4,720.64 : x
  2. Step 2: Convert to fraction form
    14,581.35/21,875.51 = 4,720.64/x
  3. Step 3: Cross multiply
    14,581.35x = 21,875.51 × 4,720.64
  4. Step 4: Simplify right side
    14,581.35x = 103,266,309.95
  5. Step 5: Solve for x
    x = 103,266,309.95/14,581.35
  6. Step 6: Final answer
    x = 7,082.08

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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.