Home / 18,356.49-25,333.98-10,290.92

Finding the Fourth Proportional to 18,356.49, 25,333.98 and 10,290.92

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Solution

The fourth proportional to 18,356.49, 25,333.98 and 10,290.92 is: 14,202.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,356.49 : 25,333.98 = 10,290.92 : x
  2. Step 2: Convert to fraction form
    18,356.49/25,333.98 = 10,290.92/x
  3. Step 3: Cross multiply
    18,356.49x = 25,333.98 × 10,290.92
  4. Step 4: Simplify right side
    18,356.49x = 260,709,834.79
  5. Step 5: Solve for x
    x = 260,709,834.79/18,356.49
  6. Step 6: Final answer
    x = 14,202.60

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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.