Home / 22,916.49-31,624.22-13,355.77

Finding the Fourth Proportional to 22,916.49, 31,624.22 and 13,355.77

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Solution

The fourth proportional to 22,916.49, 31,624.22 and 13,355.77 is: 18,430.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,916.49 : 31,624.22 = 13,355.77 : x
  2. Step 2: Convert to fraction form
    22,916.49/31,624.22 = 13,355.77/x
  3. Step 3: Cross multiply
    22,916.49x = 31,624.22 × 13,355.77
  4. Step 4: Simplify right side
    22,916.49x = 422,365,808.75
  5. Step 5: Solve for x
    x = 422,365,808.75/22,916.49
  6. Step 6: Final answer
    x = 18,430.65

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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.