Home / 22,861.48-31,549.74-13,429.96

Finding the Fourth Proportional to 22,861.48, 31,549.74 and 13,429.96

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Solution

The fourth proportional to 22,861.48, 31,549.74 and 13,429.96 is: 18,533.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,861.48 : 31,549.74 = 13,429.96 : x
  2. Step 2: Convert to fraction form
    22,861.48/31,549.74 = 13,429.96/x
  3. Step 3: Cross multiply
    22,861.48x = 31,549.74 × 13,429.96
  4. Step 4: Simplify right side
    22,861.48x = 423,711,746.21
  5. Step 5: Solve for x
    x = 423,711,746.21/22,861.48
  6. Step 6: Final answer
    x = 18,533.87

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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.