Home / 18,340.95-25,308.54-10,381.59

Finding the Fourth Proportional to 18,340.95, 25,308.54 and 10,381.59

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Solution

The fourth proportional to 18,340.95, 25,308.54 and 10,381.59 is: 14,325.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,340.95 : 25,308.54 = 10,381.59 : x
  2. Step 2: Convert to fraction form
    18,340.95/25,308.54 = 10,381.59/x
  3. Step 3: Cross multiply
    18,340.95x = 25,308.54 × 10,381.59
  4. Step 4: Simplify right side
    18,340.95x = 262,742,885.78
  5. Step 5: Solve for x
    x = 262,742,885.78/18,340.95
  6. Step 6: Final answer
    x = 14,325.48

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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.