Home / 14,250.95-21,374.40-4,891.40

Finding the Fourth Proportional to 14,250.95, 21,374.40 and 4,891.40

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Solution

The fourth proportional to 14,250.95, 21,374.40 and 4,891.40 is: 7,336.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,250.95 : 21,374.40 = 4,891.40 : x
  2. Step 2: Convert to fraction form
    14,250.95/21,374.40 = 4,891.40/x
  3. Step 3: Cross multiply
    14,250.95x = 21,374.40 × 4,891.40
  4. Step 4: Simplify right side
    14,250.95x = 104,550,740.16
  5. Step 5: Solve for x
    x = 104,550,740.16/14,250.95
  6. Step 6: Final answer
    x = 7,336.40

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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.