Home / 14,830.77-20,466.55-8,370.46

Finding the Fourth Proportional to 14,830.77, 20,466.55 and 8,370.46

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Solution

The fourth proportional to 14,830.77, 20,466.55 and 8,370.46 is: 11,551.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,830.77 : 20,466.55 = 8,370.46 : x
  2. Step 2: Convert to fraction form
    14,830.77/20,466.55 = 8,370.46/x
  3. Step 3: Cross multiply
    14,830.77x = 20,466.55 × 8,370.46
  4. Step 4: Simplify right side
    14,830.77x = 171,314,438.11
  5. Step 5: Solve for x
    x = 171,314,438.11/14,830.77
  6. Step 6: Final answer
    x = 11,551.28

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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.