Home / 18,500.68-25,533.43-10,435.99

Finding the Fourth Proportional to 18,500.68, 25,533.43 and 10,435.99

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Solution

The fourth proportional to 18,500.68, 25,533.43 and 10,435.99 is: 14,403.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,500.68 : 25,533.43 = 10,435.99 : x
  2. Step 2: Convert to fraction form
    18,500.68/25,533.43 = 10,435.99/x
  3. Step 3: Cross multiply
    18,500.68x = 25,533.43 × 10,435.99
  4. Step 4: Simplify right side
    18,500.68x = 266,466,492.48
  5. Step 5: Solve for x
    x = 266,466,492.48/18,500.68
  6. Step 6: Final answer
    x = 14,403.07

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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.