Home / 16,495.47-22,762.49-9,780.57

Finding the Fourth Proportional to 16,495.47, 22,762.49 and 9,780.57

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Solution

The fourth proportional to 16,495.47, 22,762.49 and 9,780.57 is: 13,496.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,495.47 : 22,762.49 = 9,780.57 : x
  2. Step 2: Convert to fraction form
    16,495.47/22,762.49 = 9,780.57/x
  3. Step 3: Cross multiply
    16,495.47x = 22,762.49 × 9,780.57
  4. Step 4: Simplify right side
    16,495.47x = 222,630,077.92
  5. Step 5: Solve for x
    x = 222,630,077.92/16,495.47
  6. Step 6: Final answer
    x = 13,496.44

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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.