Home / 14,782.23-22,148.70-10,391.85

Finding the Fourth Proportional to 14,782.23, 22,148.70 and 10,391.85

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Solution

The fourth proportional to 14,782.23, 22,148.70 and 10,391.85 is: 15,570.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,782.23 : 22,148.70 = 10,391.85 : x
  2. Step 2: Convert to fraction form
    14,782.23/22,148.70 = 10,391.85/x
  3. Step 3: Cross multiply
    14,782.23x = 22,148.70 × 10,391.85
  4. Step 4: Simplify right side
    14,782.23x = 230,165,968.10
  5. Step 5: Solve for x
    x = 230,165,968.10/14,782.23
  6. Step 6: Final answer
    x = 15,570.45

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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.