Home / 18,756.28-25,886.11-10,798.84

Finding the Fourth Proportional to 18,756.28, 25,886.11 and 10,798.84

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Solution

The fourth proportional to 18,756.28, 25,886.11 and 10,798.84 is: 14,903.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,756.28 : 25,886.11 = 10,798.84 : x
  2. Step 2: Convert to fraction form
    18,756.28/25,886.11 = 10,798.84/x
  3. Step 3: Cross multiply
    18,756.28x = 25,886.11 × 10,798.84
  4. Step 4: Simplify right side
    18,756.28x = 279,539,960.11
  5. Step 5: Solve for x
    x = 279,539,960.11/18,756.28
  6. Step 6: Final answer
    x = 14,903.81

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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.