Home / 13,272.42-19,908.90-5,875.50

Finding the Fourth Proportional to 13,272.42, 19,908.90 and 5,875.50

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Solution

The fourth proportional to 13,272.42, 19,908.90 and 5,875.50 is: 8,813.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,272.42 : 19,908.90 = 5,875.50 : x
  2. Step 2: Convert to fraction form
    13,272.42/19,908.90 = 5,875.50/x
  3. Step 3: Cross multiply
    13,272.42x = 19,908.90 × 5,875.50
  4. Step 4: Simplify right side
    13,272.42x = 116,974,741.95
  5. Step 5: Solve for x
    x = 116,974,741.95/13,272.42
  6. Step 6: Final answer
    x = 8,813.37

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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.