Home / 18,985.97-26,200.10-10,487.96

Finding the Fourth Proportional to 18,985.97, 26,200.10 and 10,487.96

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Solution

The fourth proportional to 18,985.97, 26,200.10 and 10,487.96 is: 14,473.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,985.97 : 26,200.10 = 10,487.96 : x
  2. Step 2: Convert to fraction form
    18,985.97/26,200.10 = 10,487.96/x
  3. Step 3: Cross multiply
    18,985.97x = 26,200.10 × 10,487.96
  4. Step 4: Simplify right side
    18,985.97x = 274,785,417.36
  5. Step 5: Solve for x
    x = 274,785,417.36/18,985.97
  6. Step 6: Final answer
    x = 14,473.08

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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.