Home / 18,820.08-25,972.66-10,436.60

Finding the Fourth Proportional to 18,820.08, 25,972.66 and 10,436.60

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Solution

The fourth proportional to 18,820.08, 25,972.66 and 10,436.60 is: 14,403.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,820.08 : 25,972.66 = 10,436.60 : x
  2. Step 2: Convert to fraction form
    18,820.08/25,972.66 = 10,436.60/x
  3. Step 3: Cross multiply
    18,820.08x = 25,972.66 × 10,436.60
  4. Step 4: Simplify right side
    18,820.08x = 271,066,263.36
  5. Step 5: Solve for x
    x = 271,066,263.36/18,820.08
  6. Step 6: Final answer
    x = 14,403.03

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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.