Home / 15,518.14-23,273.95-4,421.85

Finding the Fourth Proportional to 15,518.14, 23,273.95 and 4,421.85

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Solution

The fourth proportional to 15,518.14, 23,273.95 and 4,421.85 is: 6,631.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,518.14 : 23,273.95 = 4,421.85 : x
  2. Step 2: Convert to fraction form
    15,518.14/23,273.95 = 4,421.85/x
  3. Step 3: Cross multiply
    15,518.14x = 23,273.95 × 4,421.85
  4. Step 4: Simplify right side
    15,518.14x = 102,913,915.81
  5. Step 5: Solve for x
    x = 102,913,915.81/15,518.14
  6. Step 6: Final answer
    x = 6,631.85

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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.