Home / 18,479.18-25,522.54-13,465.82

Finding the Fourth Proportional to 18,479.18, 25,522.54 and 13,465.82

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Solution

The fourth proportional to 18,479.18, 25,522.54 and 13,465.82 is: 18,598.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,479.18 : 25,522.54 = 13,465.82 : x
  2. Step 2: Convert to fraction form
    18,479.18/25,522.54 = 13,465.82/x
  3. Step 3: Cross multiply
    18,479.18x = 25,522.54 × 13,465.82
  4. Step 4: Simplify right side
    18,479.18x = 343,681,929.58
  5. Step 5: Solve for x
    x = 343,681,929.58/18,479.18
  6. Step 6: Final answer
    x = 18,598.33

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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.