Home / 13,869.96-19,140.62-7,582.33

Finding the Fourth Proportional to 13,869.96, 19,140.62 and 7,582.33

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Solution

The fourth proportional to 13,869.96, 19,140.62 and 7,582.33 is: 10,463.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,869.96 : 19,140.62 = 7,582.33 : x
  2. Step 2: Convert to fraction form
    13,869.96/19,140.62 = 7,582.33/x
  3. Step 3: Cross multiply
    13,869.96x = 19,140.62 × 7,582.33
  4. Step 4: Simplify right side
    13,869.96x = 145,130,497.24
  5. Step 5: Solve for x
    x = 145,130,497.24/13,869.96
  6. Step 6: Final answer
    x = 10,463.66

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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.