Home / 18,985.04-26,198.82-10,487.00

Finding the Fourth Proportional to 18,985.04, 26,198.82 and 10,487.00

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Solution

The fourth proportional to 18,985.04, 26,198.82 and 10,487.00 is: 14,471.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,985.04 : 26,198.82 = 10,487.00 : x
  2. Step 2: Convert to fraction form
    18,985.04/26,198.82 = 10,487.00/x
  3. Step 3: Cross multiply
    18,985.04x = 26,198.82 × 10,487.00
  4. Step 4: Simplify right side
    18,985.04x = 274,747,090.84
  5. Step 5: Solve for x
    x = 274,747,090.84/18,985.04
  6. Step 6: Final answer
    x = 14,471.77

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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.