Home / 40,925.70-61,388.55-13,223.70

Finding the Fourth Proportional to 40,925.70, 61,388.55 and 13,223.70

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Solution

The fourth proportional to 40,925.70, 61,388.55 and 13,223.70 is: 19,835.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,925.70 : 61,388.55 = 13,223.70 : x
  2. Step 2: Convert to fraction form
    40,925.70/61,388.55 = 13,223.70/x
  3. Step 3: Cross multiply
    40,925.70x = 61,388.55 × 13,223.70
  4. Step 4: Simplify right side
    40,925.70x = 811,783,768.64
  5. Step 5: Solve for x
    x = 811,783,768.64/40,925.70
  6. Step 6: Final answer
    x = 19,835.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.