Home / 14,153.01-19,531.71-7,865.25

Finding the Fourth Proportional to 14,153.01, 19,531.71 and 7,865.25

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Solution

The fourth proportional to 14,153.01, 19,531.71 and 7,865.25 is: 10,854.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,153.01 : 19,531.71 = 7,865.25 : x
  2. Step 2: Convert to fraction form
    14,153.01/19,531.71 = 7,865.25/x
  3. Step 3: Cross multiply
    14,153.01x = 19,531.71 × 7,865.25
  4. Step 4: Simplify right side
    14,153.01x = 153,621,782.08
  5. Step 5: Solve for x
    x = 153,621,782.08/14,153.01
  6. Step 6: Final answer
    x = 10,854.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.