Home / 18,320.66-25,281.51-10,364.48

Finding the Fourth Proportional to 18,320.66, 25,281.51 and 10,364.48

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Solution

The fourth proportional to 18,320.66, 25,281.51 and 10,364.48 is: 14,302.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,320.66 : 25,281.51 = 10,364.48 : x
  2. Step 2: Convert to fraction form
    18,320.66/25,281.51 = 10,364.48/x
  3. Step 3: Cross multiply
    18,320.66x = 25,281.51 × 10,364.48
  4. Step 4: Simplify right side
    18,320.66x = 262,029,704.76
  5. Step 5: Solve for x
    x = 262,029,704.76/18,320.66
  6. Step 6: Final answer
    x = 14,302.42

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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.