Home / 14,156.94-19,536.54-7,869.33

Finding the Fourth Proportional to 14,156.94, 19,536.54 and 7,869.33

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Solution

The fourth proportional to 14,156.94, 19,536.54 and 7,869.33 is: 10,859.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,156.94 : 19,536.54 = 7,869.33 : x
  2. Step 2: Convert to fraction form
    14,156.94/19,536.54 = 7,869.33/x
  3. Step 3: Cross multiply
    14,156.94x = 19,536.54 × 7,869.33
  4. Step 4: Simplify right side
    14,156.94x = 153,739,480.32
  5. Step 5: Solve for x
    x = 153,739,480.32/14,156.94
  6. Step 6: Final answer
    x = 10,859.65

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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.