Home / 15,311.25-22,966.88-4,923

Finding the Fourth Proportional to 15,311.25, 22,966.88 and 4,923

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Solution

The fourth proportional to 15,311.25, 22,966.88 and 4,923 is: 7,384.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,311.25 : 22,966.88 = 4,923 : x
  2. Step 2: Convert to fraction form
    15,311.25/22,966.88 = 4,923/x
  3. Step 3: Cross multiply
    15,311.25x = 22,966.88 × 4,923
  4. Step 4: Simplify right side
    15,311.25x = 113,065,925.63
  5. Step 5: Solve for x
    x = 113,065,925.63/15,311.25
  6. Step 6: Final answer
    x = 7,384.50

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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.