Home / 14,643.25-21,951.51-5,275.60

Finding the Fourth Proportional to 14,643.25, 21,951.51 and 5,275.60

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Solution

The fourth proportional to 14,643.25, 21,951.51 and 5,275.60 is: 7,908.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,643.25 : 21,951.51 = 5,275.60 : x
  2. Step 2: Convert to fraction form
    14,643.25/21,951.51 = 5,275.60/x
  3. Step 3: Cross multiply
    14,643.25x = 21,951.51 × 5,275.60
  4. Step 4: Simplify right side
    14,643.25x = 115,807,386.16
  5. Step 5: Solve for x
    x = 115,807,386.16/14,643.25
  6. Step 6: Final answer
    x = 7,908.58

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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.