Home / 28,332.48-42,483.06-11,450.28

Finding the Fourth Proportional to 28,332.48, 42,483.06 and 11,450.28

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Solution

The fourth proportional to 28,332.48, 42,483.06 and 11,450.28 is: 17,169.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,332.48 : 42,483.06 = 11,450.28 : x
  2. Step 2: Convert to fraction form
    28,332.48/42,483.06 = 11,450.28/x
  3. Step 3: Cross multiply
    28,332.48x = 42,483.06 × 11,450.28
  4. Step 4: Simplify right side
    28,332.48x = 486,442,932.26
  5. Step 5: Solve for x
    x = 486,442,932.26/28,332.48
  6. Step 6: Final answer
    x = 17,169.09

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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.