Home / 34,603.69-47,753.10-18,688.14

Finding the Fourth Proportional to 34,603.69, 47,753.10 and 18,688.14

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Solution

The fourth proportional to 34,603.69, 47,753.10 and 18,688.14 is: 25,789.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,603.69 : 47,753.10 = 18,688.14 : x
  2. Step 2: Convert to fraction form
    34,603.69/47,753.10 = 18,688.14/x
  3. Step 3: Cross multiply
    34,603.69x = 47,753.10 × 18,688.14
  4. Step 4: Simplify right side
    34,603.69x = 892,416,618.23
  5. Step 5: Solve for x
    x = 892,416,618.23/34,603.69
  6. Step 6: Final answer
    x = 25,789.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.