Home / 18,492.18-25,519.86-10,535.64

Finding the Fourth Proportional to 18,492.18, 25,519.86 and 10,535.64

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Solution

The fourth proportional to 18,492.18, 25,519.86 and 10,535.64 is: 14,539.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,492.18 : 25,519.86 = 10,535.64 : x
  2. Step 2: Convert to fraction form
    18,492.18/25,519.86 = 10,535.64/x
  3. Step 3: Cross multiply
    18,492.18x = 25,519.86 × 10,535.64
  4. Step 4: Simplify right side
    18,492.18x = 268,868,057.81
  5. Step 5: Solve for x
    x = 268,868,057.81/18,492.18
  6. Step 6: Final answer
    x = 14,539.55

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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.