Home / 15,746.15-23,623.32-6,978.98

Finding the Fourth Proportional to 15,746.15, 23,623.32 and 6,978.98

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Solution

The fourth proportional to 15,746.15, 23,623.32 and 6,978.98 is: 10,470.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,746.15 : 23,623.32 = 6,978.98 : x
  2. Step 2: Convert to fraction form
    15,746.15/23,623.32 = 6,978.98/x
  3. Step 3: Cross multiply
    15,746.15x = 23,623.32 × 6,978.98
  4. Step 4: Simplify right side
    15,746.15x = 164,866,677.81
  5. Step 5: Solve for x
    x = 164,866,677.81/15,746.15
  6. Step 6: Final answer
    x = 10,470.28

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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.