Home / 19,521.60-26,928.81-12,349.29

Finding the Fourth Proportional to 19,521.60, 26,928.81 and 12,349.29

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Solution

The fourth proportional to 19,521.60, 26,928.81 and 12,349.29 is: 17,035.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,521.60 : 26,928.81 = 12,349.29 : x
  2. Step 2: Convert to fraction form
    19,521.60/26,928.81 = 12,349.29/x
  3. Step 3: Cross multiply
    19,521.60x = 26,928.81 × 12,349.29
  4. Step 4: Simplify right side
    19,521.60x = 332,551,684.04
  5. Step 5: Solve for x
    x = 332,551,684.04/19,521.60
  6. Step 6: Final answer
    x = 17,035.06

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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.