Home / 14,114.99-19,478.75-7,827.36

Finding the Fourth Proportional to 14,114.99, 19,478.75 and 7,827.36

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Solution

The fourth proportional to 14,114.99, 19,478.75 and 7,827.36 is: 10,801.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,114.99 : 19,478.75 = 7,827.36 : x
  2. Step 2: Convert to fraction form
    14,114.99/19,478.75 = 7,827.36/x
  3. Step 3: Cross multiply
    14,114.99x = 19,478.75 × 7,827.36
  4. Step 4: Simplify right side
    14,114.99x = 152,467,149.46
  5. Step 5: Solve for x
    x = 152,467,149.46/14,114.99
  6. Step 6: Final answer
    x = 10,801.79

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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.