Home / 13,754.28-18,980.91-7,466.66

Finding the Fourth Proportional to 13,754.28, 18,980.91 and 7,466.66

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Solution

The fourth proportional to 13,754.28, 18,980.91 and 7,466.66 is: 10,303.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,754.28 : 18,980.91 = 7,466.66 : x
  2. Step 2: Convert to fraction form
    13,754.28/18,980.91 = 7,466.66/x
  3. Step 3: Cross multiply
    13,754.28x = 18,980.91 × 7,466.66
  4. Step 4: Simplify right side
    13,754.28x = 141,724,001.46
  5. Step 5: Solve for x
    x = 141,724,001.46/13,754.28
  6. Step 6: Final answer
    x = 10,303.99

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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.