Home / 19,353.06-28,990.71-16,378.74

Finding the Fourth Proportional to 19,353.06, 28,990.71 and 16,378.74

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Solution

The fourth proportional to 19,353.06, 28,990.71 and 16,378.74 is: 24,535.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,353.06 : 28,990.71 = 16,378.74 : x
  2. Step 2: Convert to fraction form
    19,353.06/28,990.71 = 16,378.74/x
  3. Step 3: Cross multiply
    19,353.06x = 28,990.71 × 16,378.74
  4. Step 4: Simplify right side
    19,353.06x = 474,831,301.51
  5. Step 5: Solve for x
    x = 474,831,301.51/19,353.06
  6. Step 6: Final answer
    x = 24,535.21

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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.