Home / 14,551.12-21,830.96-4,690.16

Finding the Fourth Proportional to 14,551.12, 21,830.96 and 4,690.16

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Solution

The fourth proportional to 14,551.12, 21,830.96 and 4,690.16 is: 7,036.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,551.12 : 21,830.96 = 4,690.16 : x
  2. Step 2: Convert to fraction form
    14,551.12/21,830.96 = 4,690.16/x
  3. Step 3: Cross multiply
    14,551.12x = 21,830.96 × 4,690.16
  4. Step 4: Simplify right side
    14,551.12x = 102,390,695.35
  5. Step 5: Solve for x
    x = 102,390,695.35/14,551.12
  6. Step 6: Final answer
    x = 7,036.62

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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.