Home / 16,580.16-22,890.95-11,542.55

Finding the Fourth Proportional to 16,580.16, 22,890.95 and 11,542.55

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Solution

The fourth proportional to 16,580.16, 22,890.95 and 11,542.55 is: 15,935.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,580.16 : 22,890.95 = 11,542.55 : x
  2. Step 2: Convert to fraction form
    16,580.16/22,890.95 = 11,542.55/x
  3. Step 3: Cross multiply
    16,580.16x = 22,890.95 × 11,542.55
  4. Step 4: Simplify right side
    16,580.16x = 264,219,762.76
  5. Step 5: Solve for x
    x = 264,219,762.76/16,580.16
  6. Step 6: Final answer
    x = 15,935.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.