Home / 19,178.63-28,774.85-6,700.49

Finding the Fourth Proportional to 19,178.63, 28,774.85 and 6,700.49

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Solution

The fourth proportional to 19,178.63, 28,774.85 and 6,700.49 is: 10,053.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,178.63 : 28,774.85 = 6,700.49 : x
  2. Step 2: Convert to fraction form
    19,178.63/28,774.85 = 6,700.49/x
  3. Step 3: Cross multiply
    19,178.63x = 28,774.85 × 6,700.49
  4. Step 4: Simplify right side
    19,178.63x = 192,805,561.17
  5. Step 5: Solve for x
    x = 192,805,561.17/19,178.63
  6. Step 6: Final answer
    x = 10,053.15

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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.