Home / 13,060.41-18,021.45-7,470.33

Finding the Fourth Proportional to 13,060.41, 18,021.45 and 7,470.33

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Solution

The fourth proportional to 13,060.41, 18,021.45 and 7,470.33 is: 10,307.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,060.41 : 18,021.45 = 7,470.33 : x
  2. Step 2: Convert to fraction form
    13,060.41/18,021.45 = 7,470.33/x
  3. Step 3: Cross multiply
    13,060.41x = 18,021.45 × 7,470.33
  4. Step 4: Simplify right side
    13,060.41x = 134,626,178.58
  5. Step 5: Solve for x
    x = 134,626,178.58/13,060.41
  6. Step 6: Final answer
    x = 10,307.96

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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.