Home / 14,130.88-19,501.50-7,843.36

Finding the Fourth Proportional to 14,130.88, 19,501.50 and 7,843.36

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Solution

The fourth proportional to 14,130.88, 19,501.50 and 7,843.36 is: 10,824.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,130.88 : 19,501.50 = 7,843.36 : x
  2. Step 2: Convert to fraction form
    14,130.88/19,501.50 = 7,843.36/x
  3. Step 3: Cross multiply
    14,130.88x = 19,501.50 × 7,843.36
  4. Step 4: Simplify right side
    14,130.88x = 152,957,285.04
  5. Step 5: Solve for x
    x = 152,957,285.04/14,130.88
  6. Step 6: Final answer
    x = 10,824.33

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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.