Home / 14,154.36-19,531.17-7,865.52

Finding the Fourth Proportional to 14,154.36, 19,531.17 and 7,865.52

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Solution

The fourth proportional to 14,154.36, 19,531.17 and 7,865.52 is: 10,853.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,154.36 : 19,531.17 = 7,865.52 : x
  2. Step 2: Convert to fraction form
    14,154.36/19,531.17 = 7,865.52/x
  3. Step 3: Cross multiply
    14,154.36x = 19,531.17 × 7,865.52
  4. Step 4: Simplify right side
    14,154.36x = 153,622,808.26
  5. Step 5: Solve for x
    x = 153,622,808.26/14,154.36
  6. Step 6: Final answer
    x = 10,853.39

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1.5x scale

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.