Home / 20,875.08-31,322.76-10,346.04

Finding the Fourth Proportional to 20,875.08, 31,322.76 and 10,346.04

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Solution

The fourth proportional to 20,875.08, 31,322.76 and 10,346.04 is: 15,524.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,875.08 : 31,322.76 = 10,346.04 : x
  2. Step 2: Convert to fraction form
    20,875.08/31,322.76 = 10,346.04/x
  3. Step 3: Cross multiply
    20,875.08x = 31,322.76 × 10,346.04
  4. Step 4: Simplify right side
    20,875.08x = 324,066,527.87
  5. Step 5: Solve for x
    x = 324,066,527.87/20,875.08
  6. Step 6: Final answer
    x = 15,524.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.