Home / 28,233.36-42,356.52-9,512.94

Finding the Fourth Proportional to 28,233.36, 42,356.52 and 9,512.94

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Solution

The fourth proportional to 28,233.36, 42,356.52 and 9,512.94 is: 14,271.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,233.36 : 42,356.52 = 9,512.94 : x
  2. Step 2: Convert to fraction form
    28,233.36/42,356.52 = 9,512.94/x
  3. Step 3: Cross multiply
    28,233.36x = 42,356.52 × 9,512.94
  4. Step 4: Simplify right side
    28,233.36x = 402,935,192.21
  5. Step 5: Solve for x
    x = 402,935,192.21/28,233.36
  6. Step 6: Final answer
    x = 14,271.60

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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.