Home / 19,159.34-26,439.86-10,661.98

Finding the Fourth Proportional to 19,159.34, 26,439.86 and 10,661.98

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Solution

The fourth proportional to 19,159.34, 26,439.86 and 10,661.98 is: 14,713.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,159.34 : 26,439.86 = 10,661.98 : x
  2. Step 2: Convert to fraction form
    19,159.34/26,439.86 = 10,661.98/x
  3. Step 3: Cross multiply
    19,159.34x = 26,439.86 × 10,661.98
  4. Step 4: Simplify right side
    19,159.34x = 281,901,258.52
  5. Step 5: Solve for x
    x = 281,901,258.52/19,159.34
  6. Step 6: Final answer
    x = 14,713.52

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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.