Home / 14,695.44-20,281.56-9,107.28

Finding the Fourth Proportional to 14,695.44, 20,281.56 and 9,107.28

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Solution

The fourth proportional to 14,695.44, 20,281.56 and 9,107.28 is: 12,569.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,695.44 : 20,281.56 = 9,107.28 : x
  2. Step 2: Convert to fraction form
    14,695.44/20,281.56 = 9,107.28/x
  3. Step 3: Cross multiply
    14,695.44x = 20,281.56 × 9,107.28
  4. Step 4: Simplify right side
    14,695.44x = 184,709,845.76
  5. Step 5: Solve for x
    x = 184,709,845.76/14,695.44
  6. Step 6: Final answer
    x = 12,569.19

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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.