Home / 14,678.19-22,020.53-4,290.75

Finding the Fourth Proportional to 14,678.19, 22,020.53 and 4,290.75

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Solution

The fourth proportional to 14,678.19, 22,020.53 and 4,290.75 is: 6,437.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,678.19 : 22,020.53 = 4,290.75 : x
  2. Step 2: Convert to fraction form
    14,678.19/22,020.53 = 4,290.75/x
  3. Step 3: Cross multiply
    14,678.19x = 22,020.53 × 4,290.75
  4. Step 4: Simplify right side
    14,678.19x = 94,484,567.64
  5. Step 5: Solve for x
    x = 94,484,567.64/14,678.19
  6. Step 6: Final answer
    x = 6,437.07

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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.