Home / 18,986.04-26,199.90-10,602.36

Finding the Fourth Proportional to 18,986.04, 26,199.90 and 10,602.36

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Solution

The fourth proportional to 18,986.04, 26,199.90 and 10,602.36 is: 14,630.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,986.04 : 26,199.90 = 10,602.36 : x
  2. Step 2: Convert to fraction form
    18,986.04/26,199.90 = 10,602.36/x
  3. Step 3: Cross multiply
    18,986.04x = 26,199.90 × 10,602.36
  4. Step 4: Simplify right side
    18,986.04x = 277,780,771.76
  5. Step 5: Solve for x
    x = 277,780,771.76/18,986.04
  6. Step 6: Final answer
    x = 14,630.79

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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.