Home / 19,470.10-26,863.86-10,970.50

Finding the Fourth Proportional to 19,470.10, 26,863.86 and 10,970.50

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Solution

The fourth proportional to 19,470.10, 26,863.86 and 10,970.50 is: 15,136.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,470.10 : 26,863.86 = 10,970.50 : x
  2. Step 2: Convert to fraction form
    19,470.10/26,863.86 = 10,970.50/x
  3. Step 3: Cross multiply
    19,470.10x = 26,863.86 × 10,970.50
  4. Step 4: Simplify right side
    19,470.10x = 294,709,976.13
  5. Step 5: Solve for x
    x = 294,709,976.13/19,470.10
  6. Step 6: Final answer
    x = 15,136.54

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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.