Home / 19,551.64-29,313.54-9,157.72

Finding the Fourth Proportional to 19,551.64, 29,313.54 and 9,157.72

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Solution

The fourth proportional to 19,551.64, 29,313.54 and 9,157.72 is: 13,730.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,551.64 : 29,313.54 = 9,157.72 : x
  2. Step 2: Convert to fraction form
    19,551.64/29,313.54 = 9,157.72/x
  3. Step 3: Cross multiply
    19,551.64x = 29,313.54 × 9,157.72
  4. Step 4: Simplify right side
    19,551.64x = 268,445,191.53
  5. Step 5: Solve for x
    x = 268,445,191.53/19,551.64
  6. Step 6: Final answer
    x = 13,730.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.