Home / 22,318.47-30,798.36-13,370.94

Finding the Fourth Proportional to 22,318.47, 30,798.36 and 13,370.94

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Solution

The fourth proportional to 22,318.47, 30,798.36 and 13,370.94 is: 18,451.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,318.47 : 30,798.36 = 13,370.94 : x
  2. Step 2: Convert to fraction form
    22,318.47/30,798.36 = 13,370.94/x
  3. Step 3: Cross multiply
    22,318.47x = 30,798.36 × 13,370.94
  4. Step 4: Simplify right side
    22,318.47x = 411,803,023.66
  5. Step 5: Solve for x
    x = 411,803,023.66/22,318.47
  6. Step 6: Final answer
    x = 18,451.22

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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.