Home / 18,401.04-25,389.48-10,442.64

Finding the Fourth Proportional to 18,401.04, 25,389.48 and 10,442.64

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Solution

The fourth proportional to 18,401.04, 25,389.48 and 10,442.64 is: 14,408.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,401.04 : 25,389.48 = 10,442.64 : x
  2. Step 2: Convert to fraction form
    18,401.04/25,389.48 = 10,442.64/x
  3. Step 3: Cross multiply
    18,401.04x = 25,389.48 × 10,442.64
  4. Step 4: Simplify right side
    18,401.04x = 265,133,199.43
  5. Step 5: Solve for x
    x = 265,133,199.43/18,401.04
  6. Step 6: Final answer
    x = 14,408.60

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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.