Home / 14,153.55-19,531.36-7,866.33

Finding the Fourth Proportional to 14,153.55, 19,531.36 and 7,866.33

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Solution

The fourth proportional to 14,153.55, 19,531.36 and 7,866.33 is: 10,855.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,153.55 : 19,531.36 = 7,866.33 : x
  2. Step 2: Convert to fraction form
    14,153.55/19,531.36 = 7,866.33/x
  3. Step 3: Cross multiply
    14,153.55x = 19,531.36 × 7,866.33
  4. Step 4: Simplify right side
    14,153.55x = 153,640,123.11
  5. Step 5: Solve for x
    x = 153,640,123.11/14,153.55
  6. Step 6: Final answer
    x = 10,855.24

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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.