Home / 28,150.18-42,225.23-13,351.02

Finding the Fourth Proportional to 28,150.18, 42,225.23 and 13,351.02

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Solution

The fourth proportional to 28,150.18, 42,225.23 and 13,351.02 is: 20,026.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,150.18 : 42,225.23 = 13,351.02 : x
  2. Step 2: Convert to fraction form
    28,150.18/42,225.23 = 13,351.02/x
  3. Step 3: Cross multiply
    28,150.18x = 42,225.23 × 13,351.02
  4. Step 4: Simplify right side
    28,150.18x = 563,749,890.23
  5. Step 5: Solve for x
    x = 563,749,890.23/28,150.18
  6. Step 6: Final answer
    x = 20,026.51

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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.