Home / 18,985.53-26,200.43-10,602.03

Finding the Fourth Proportional to 18,985.53, 26,200.43 and 10,602.03

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Solution

The fourth proportional to 18,985.53, 26,200.43 and 10,602.03 is: 14,631.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,985.53 : 26,200.43 = 10,602.03 : x
  2. Step 2: Convert to fraction form
    18,985.53/26,200.43 = 10,602.03/x
  3. Step 3: Cross multiply
    18,985.53x = 26,200.43 × 10,602.03
  4. Step 4: Simplify right side
    18,985.53x = 277,777,744.87
  5. Step 5: Solve for x
    x = 277,777,744.87/18,985.53
  6. Step 6: Final answer
    x = 14,631.02

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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.