Home / 15,813.68-23,742.40-8,027.92

Finding the Fourth Proportional to 15,813.68, 23,742.40 and 8,027.92

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Solution

The fourth proportional to 15,813.68, 23,742.40 and 8,027.92 is: 12,052.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,813.68 : 23,742.40 = 8,027.92 : x
  2. Step 2: Convert to fraction form
    15,813.68/23,742.40 = 8,027.92/x
  3. Step 3: Cross multiply
    15,813.68x = 23,742.40 × 8,027.92
  4. Step 4: Simplify right side
    15,813.68x = 190,602,087.81
  5. Step 5: Solve for x
    x = 190,602,087.81/15,813.68
  6. Step 6: Final answer
    x = 12,052.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.