Home / 13,754.08-18,980.58-7,466.41

Finding the Fourth Proportional to 13,754.08, 18,980.58 and 7,466.41

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Solution

The fourth proportional to 13,754.08, 18,980.58 and 7,466.41 is: 10,303.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,754.08 : 18,980.58 = 7,466.41 : x
  2. Step 2: Convert to fraction form
    13,754.08/18,980.58 = 7,466.41/x
  3. Step 3: Cross multiply
    13,754.08x = 18,980.58 × 7,466.41
  4. Step 4: Simplify right side
    13,754.08x = 141,716,792.32
  5. Step 5: Solve for x
    x = 141,716,792.32/13,754.08
  6. Step 6: Final answer
    x = 10,303.62

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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.