Home / 15,068.37-20,798.67-9,100.44

Finding the Fourth Proportional to 15,068.37, 20,798.67 and 9,100.44

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Solution

The fourth proportional to 15,068.37, 20,798.67 and 9,100.44 is: 12,561.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,068.37 : 20,798.67 = 9,100.44 : x
  2. Step 2: Convert to fraction form
    15,068.37/20,798.67 = 9,100.44/x
  3. Step 3: Cross multiply
    15,068.37x = 20,798.67 × 9,100.44
  4. Step 4: Simplify right side
    15,068.37x = 189,277,048.41
  5. Step 5: Solve for x
    x = 189,277,048.41/15,068.37
  6. Step 6: Final answer
    x = 12,561.22

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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.