Home / 15,639.01-23,458.72-5,108.95

Finding the Fourth Proportional to 15,639.01, 23,458.72 and 5,108.95

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Solution

The fourth proportional to 15,639.01, 23,458.72 and 5,108.95 is: 7,663.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,639.01 : 23,458.72 = 5,108.95 : x
  2. Step 2: Convert to fraction form
    15,639.01/23,458.72 = 5,108.95/x
  3. Step 3: Cross multiply
    15,639.01x = 23,458.72 × 5,108.95
  4. Step 4: Simplify right side
    15,639.01x = 119,849,427.54
  5. Step 5: Solve for x
    x = 119,849,427.54/15,639.01
  6. Step 6: Final answer
    x = 7,663.49

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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.