Home / 25,430.82-35,082.03-22,068.90

Finding the Fourth Proportional to 25,430.82, 35,082.03 and 22,068.90

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Solution

The fourth proportional to 25,430.82, 35,082.03 and 22,068.90 is: 30,444.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,430.82 : 35,082.03 = 22,068.90 : x
  2. Step 2: Convert to fraction form
    25,430.82/35,082.03 = 22,068.90/x
  3. Step 3: Cross multiply
    25,430.82x = 35,082.03 × 22,068.90
  4. Step 4: Simplify right side
    25,430.82x = 774,221,811.87
  5. Step 5: Solve for x
    x = 774,221,811.87/25,430.82
  6. Step 6: Final answer
    x = 30,444.23

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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.