Home / 18,949.96-28,423.05-5,802.40

Finding the Fourth Proportional to 18,949.96, 28,423.05 and 5,802.40

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Solution

The fourth proportional to 18,949.96, 28,423.05 and 5,802.40 is: 8,703.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,949.96 : 28,423.05 = 5,802.40 : x
  2. Step 2: Convert to fraction form
    18,949.96/28,423.05 = 5,802.40/x
  3. Step 3: Cross multiply
    18,949.96x = 28,423.05 × 5,802.40
  4. Step 4: Simplify right side
    18,949.96x = 164,921,905.32
  5. Step 5: Solve for x
    x = 164,921,905.32/18,949.96
  6. Step 6: Final answer
    x = 8,703.02

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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.