Home / 14,899.48-20,553.42-9,313.72

Finding the Fourth Proportional to 14,899.48, 20,553.42 and 9,313.72

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Solution

The fourth proportional to 14,899.48, 20,553.42 and 9,313.72 is: 12,848.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,899.48 : 20,553.42 = 9,313.72 : x
  2. Step 2: Convert to fraction form
    14,899.48/20,553.42 = 9,313.72/x
  3. Step 3: Cross multiply
    14,899.48x = 20,553.42 × 9,313.72
  4. Step 4: Simplify right side
    14,899.48x = 191,428,798.92
  5. Step 5: Solve for x
    x = 191,428,798.92/14,899.48
  6. Step 6: Final answer
    x = 12,848.02

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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.