Home / 14,157.05-19,536.19-7,869.83

Finding the Fourth Proportional to 14,157.05, 19,536.19 and 7,869.83

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Solution

The fourth proportional to 14,157.05, 19,536.19 and 7,869.83 is: 10,860.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,157.05 : 19,536.19 = 7,869.83 : x
  2. Step 2: Convert to fraction form
    14,157.05/19,536.19 = 7,869.83/x
  3. Step 3: Cross multiply
    14,157.05x = 19,536.19 × 7,869.83
  4. Step 4: Simplify right side
    14,157.05x = 153,746,376.79
  5. Step 5: Solve for x
    x = 153,746,376.79/14,157.05
  6. Step 6: Final answer
    x = 10,860.06

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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.