Home / 25,518.02-35,217.78-14,188.64

Finding the Fourth Proportional to 25,518.02, 35,217.78 and 14,188.64

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Solution

The fourth proportional to 25,518.02, 35,217.78 and 14,188.64 is: 19,581.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,518.02 : 35,217.78 = 14,188.64 : x
  2. Step 2: Convert to fraction form
    25,518.02/35,217.78 = 14,188.64/x
  3. Step 3: Cross multiply
    25,518.02x = 35,217.78 × 14,188.64
  4. Step 4: Simplify right side
    25,518.02x = 499,692,402.02
  5. Step 5: Solve for x
    x = 499,692,402.02/25,518.02
  6. Step 6: Final answer
    x = 19,581.94

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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.