Home / 19,159.49-26,440.37-10,661.68

Finding the Fourth Proportional to 19,159.49, 26,440.37 and 10,661.68

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Solution

The fourth proportional to 19,159.49, 26,440.37 and 10,661.68 is: 14,713.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,159.49 : 26,440.37 = 10,661.68 : x
  2. Step 2: Convert to fraction form
    19,159.49/26,440.37 = 10,661.68/x
  3. Step 3: Cross multiply
    19,159.49x = 26,440.37 × 10,661.68
  4. Step 4: Simplify right side
    19,159.49x = 281,898,862.31
  5. Step 5: Solve for x
    x = 281,898,862.31/19,159.49
  6. Step 6: Final answer
    x = 14,713.28

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1.5x scale

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.