Home / 15,485.45-23,214.48-6,715.58

Finding the Fourth Proportional to 15,485.45, 23,214.48 and 6,715.58

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Solution

The fourth proportional to 15,485.45, 23,214.48 and 6,715.58 is: 10,067.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,485.45 : 23,214.48 = 6,715.58 : x
  2. Step 2: Convert to fraction form
    15,485.45/23,214.48 = 6,715.58/x
  3. Step 3: Cross multiply
    15,485.45x = 23,214.48 × 6,715.58
  4. Step 4: Simplify right side
    15,485.45x = 155,898,643.40
  5. Step 5: Solve for x
    x = 155,898,643.40/15,485.45
  6. Step 6: Final answer
    x = 10,067.43

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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.