Home / 13,466.75-18,583.74-7,498.42

Finding the Fourth Proportional to 13,466.75, 18,583.74 and 7,498.42

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Solution

The fourth proportional to 13,466.75, 18,583.74 and 7,498.42 is: 10,347.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,466.75 : 18,583.74 = 7,498.42 : x
  2. Step 2: Convert to fraction form
    13,466.75/18,583.74 = 7,498.42/x
  3. Step 3: Cross multiply
    13,466.75x = 18,583.74 × 7,498.42
  4. Step 4: Simplify right side
    13,466.75x = 139,348,594.77
  5. Step 5: Solve for x
    x = 139,348,594.77/13,466.75
  6. Step 6: Final answer
    x = 10,347.60

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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.