Home / 17,827.56-24,602.40-9,870.39

Finding the Fourth Proportional to 17,827.56, 24,602.40 and 9,870.39

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Solution

The fourth proportional to 17,827.56, 24,602.40 and 9,870.39 is: 13,621.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,827.56 : 24,602.40 = 9,870.39 : x
  2. Step 2: Convert to fraction form
    17,827.56/24,602.40 = 9,870.39/x
  3. Step 3: Cross multiply
    17,827.56x = 24,602.40 × 9,870.39
  4. Step 4: Simplify right side
    17,827.56x = 242,835,282.94
  5. Step 5: Solve for x
    x = 242,835,282.94/17,827.56
  6. Step 6: Final answer
    x = 13,621.34

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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.