Home / 20,322.17-28,048.99-12,366.96

Finding the Fourth Proportional to 20,322.17, 28,048.99 and 12,366.96

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Solution

The fourth proportional to 20,322.17, 28,048.99 and 12,366.96 is: 17,069.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,322.17 : 28,048.99 = 12,366.96 : x
  2. Step 2: Convert to fraction form
    20,322.17/28,048.99 = 12,366.96/x
  3. Step 3: Cross multiply
    20,322.17x = 28,048.99 × 12,366.96
  4. Step 4: Simplify right side
    20,322.17x = 346,880,737.37
  5. Step 5: Solve for x
    x = 346,880,737.37/20,322.17
  6. Step 6: Final answer
    x = 17,069.08

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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.