Home / 19,772.60-29,670.58-7,301.36

Finding the Fourth Proportional to 19,772.60, 29,670.58 and 7,301.36

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Solution

The fourth proportional to 19,772.60, 29,670.58 and 7,301.36 is: 10,956.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,772.60 : 29,670.58 = 7,301.36 : x
  2. Step 2: Convert to fraction form
    19,772.60/29,670.58 = 7,301.36/x
  3. Step 3: Cross multiply
    19,772.60x = 29,670.58 × 7,301.36
  4. Step 4: Simplify right side
    19,772.60x = 216,635,585.99
  5. Step 5: Solve for x
    x = 216,635,585.99/19,772.60
  6. Step 6: Final answer
    x = 10,956.35

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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.