Home / 19,300.32-28,943.10-6,818.01

Finding the Fourth Proportional to 19,300.32, 28,943.10 and 6,818.01

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Solution

The fourth proportional to 19,300.32, 28,943.10 and 6,818.01 is: 10,224.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,300.32 : 28,943.10 = 6,818.01 : x
  2. Step 2: Convert to fraction form
    19,300.32/28,943.10 = 6,818.01/x
  3. Step 3: Cross multiply
    19,300.32x = 28,943.10 × 6,818.01
  4. Step 4: Simplify right side
    19,300.32x = 197,334,345.23
  5. Step 5: Solve for x
    x = 197,334,345.23/19,300.32
  6. Step 6: Final answer
    x = 10,224.41

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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.