Home / 22,795.40-31,457.04-13,363.76

Finding the Fourth Proportional to 22,795.40, 31,457.04 and 13,363.76

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Solution

The fourth proportional to 22,795.40, 31,457.04 and 13,363.76 is: 18,441.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,795.40 : 31,457.04 = 13,363.76 : x
  2. Step 2: Convert to fraction form
    22,795.40/31,457.04 = 13,363.76/x
  3. Step 3: Cross multiply
    22,795.40x = 31,457.04 × 13,363.76
  4. Step 4: Simplify right side
    22,795.40x = 420,384,332.87
  5. Step 5: Solve for x
    x = 420,384,332.87/22,795.40
  6. Step 6: Final answer
    x = 18,441.63

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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.