Home / 18,394.16-25,381.32-10,436.72

Finding the Fourth Proportional to 18,394.16, 25,381.32 and 10,436.72

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Solution

The fourth proportional to 18,394.16, 25,381.32 and 10,436.72 is: 14,401.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,394.16 : 25,381.32 = 10,436.72 : x
  2. Step 2: Convert to fraction form
    18,394.16/25,381.32 = 10,436.72/x
  3. Step 3: Cross multiply
    18,394.16x = 25,381.32 × 10,436.72
  4. Step 4: Simplify right side
    18,394.16x = 264,897,730.07
  5. Step 5: Solve for x
    x = 264,897,730.07/18,394.16
  6. Step 6: Final answer
    x = 14,401.19

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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.