Home / 15,783.63-23,658.81-5,250.84

Finding the Fourth Proportional to 15,783.63, 23,658.81 and 5,250.84

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Solution

The fourth proportional to 15,783.63, 23,658.81 and 5,250.84 is: 7,870.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,783.63 : 23,658.81 = 5,250.84 : x
  2. Step 2: Convert to fraction form
    15,783.63/23,658.81 = 5,250.84/x
  3. Step 3: Cross multiply
    15,783.63x = 23,658.81 × 5,250.84
  4. Step 4: Simplify right side
    15,783.63x = 124,228,665.34
  5. Step 5: Solve for x
    x = 124,228,665.34/15,783.63
  6. Step 6: Final answer
    x = 7,870.73

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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.