Home / 14,900.37-20,561.49-8,929.05

Finding the Fourth Proportional to 14,900.37, 20,561.49 and 8,929.05

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Solution

The fourth proportional to 14,900.37, 20,561.49 and 8,929.05 is: 12,321.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,900.37 : 20,561.49 = 8,929.05 : x
  2. Step 2: Convert to fraction form
    14,900.37/20,561.49 = 8,929.05/x
  3. Step 3: Cross multiply
    14,900.37x = 20,561.49 × 8,929.05
  4. Step 4: Simplify right side
    14,900.37x = 183,594,572.28
  5. Step 5: Solve for x
    x = 183,594,572.28/14,900.37
  6. Step 6: Final answer
    x = 12,321.48

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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.