Home / 28,068.63-42,109.66-9,348.82

Finding the Fourth Proportional to 28,068.63, 42,109.66 and 9,348.82

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Solution

The fourth proportional to 28,068.63, 42,109.66 and 9,348.82 is: 14,025.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,068.63 : 42,109.66 = 9,348.82 : x
  2. Step 2: Convert to fraction form
    28,068.63/42,109.66 = 9,348.82/x
  3. Step 3: Cross multiply
    28,068.63x = 42,109.66 × 9,348.82
  4. Step 4: Simplify right side
    28,068.63x = 393,675,538.01
  5. Step 5: Solve for x
    x = 393,675,538.01/28,068.63
  6. Step 6: Final answer
    x = 14,025.47

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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.