Home / 18,988.48-26,204.64-10,604.80

Finding the Fourth Proportional to 18,988.48, 26,204.64 and 10,604.80

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Solution

The fourth proportional to 18,988.48, 26,204.64 and 10,604.80 is: 14,634.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,988.48 : 26,204.64 = 10,604.80 : x
  2. Step 2: Convert to fraction form
    18,988.48/26,204.64 = 10,604.80/x
  3. Step 3: Cross multiply
    18,988.48x = 26,204.64 × 10,604.80
  4. Step 4: Simplify right side
    18,988.48x = 277,894,966.27
  5. Step 5: Solve for x
    x = 277,894,966.27/18,988.48
  6. Step 6: Final answer
    x = 14,634.92

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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.