Home / 13,466.48-18,581.56-7,801.74

Finding the Fourth Proportional to 13,466.48, 18,581.56 and 7,801.74

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Solution

The fourth proportional to 13,466.48, 18,581.56 and 7,801.74 is: 10,765.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,466.48 : 18,581.56 = 7,801.74 : x
  2. Step 2: Convert to fraction form
    13,466.48/18,581.56 = 7,801.74/x
  3. Step 3: Cross multiply
    13,466.48x = 18,581.56 × 7,801.74
  4. Step 4: Simplify right side
    13,466.48x = 144,968,480.41
  5. Step 5: Solve for x
    x = 144,968,480.41/13,466.48
  6. Step 6: Final answer
    x = 10,765.14

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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.