Home / 19,655.19-27,124.71-10,702.83

Finding the Fourth Proportional to 19,655.19, 27,124.71 and 10,702.83

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Solution

The fourth proportional to 19,655.19, 27,124.71 and 10,702.83 is: 14,770.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,655.19 : 27,124.71 = 10,702.83 : x
  2. Step 2: Convert to fraction form
    19,655.19/27,124.71 = 10,702.83/x
  3. Step 3: Cross multiply
    19,655.19x = 27,124.71 × 10,702.83
  4. Step 4: Simplify right side
    19,655.19x = 290,311,159.93
  5. Step 5: Solve for x
    x = 290,311,159.93/19,655.19
  6. Step 6: Final answer
    x = 14,770.20

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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.