Home / 17,811.47-26,720.85-6,123.17

Finding the Fourth Proportional to 17,811.47, 26,720.85 and 6,123.17

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Solution

The fourth proportional to 17,811.47, 26,720.85 and 6,123.17 is: 9,186.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,811.47 : 26,720.85 = 6,123.17 : x
  2. Step 2: Convert to fraction form
    17,811.47/26,720.85 = 6,123.17/x
  3. Step 3: Cross multiply
    17,811.47x = 26,720.85 × 6,123.17
  4. Step 4: Simplify right side
    17,811.47x = 163,616,307.09
  5. Step 5: Solve for x
    x = 163,616,307.09/17,811.47
  6. Step 6: Final answer
    x = 9,186.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.