Home / 18,492.35-25,513.20-10,528.94

Finding the Fourth Proportional to 18,492.35, 25,513.20 and 10,528.94

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Solution

The fourth proportional to 18,492.35, 25,513.20 and 10,528.94 is: 14,526.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,492.35 : 25,513.20 = 10,528.94 : x
  2. Step 2: Convert to fraction form
    18,492.35/25,513.20 = 10,528.94/x
  3. Step 3: Cross multiply
    18,492.35x = 25,513.20 × 10,528.94
  4. Step 4: Simplify right side
    18,492.35x = 268,627,015.79
  5. Step 5: Solve for x
    x = 268,627,015.79/18,492.35
  6. Step 6: Final answer
    x = 14,526.39

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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.