Home / 19,348.94-26,703.78-10,853.40

Finding the Fourth Proportional to 19,348.94, 26,703.78 and 10,853.40

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Solution

The fourth proportional to 19,348.94, 26,703.78 and 10,853.40 is: 14,978.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,348.94 : 26,703.78 = 10,853.40 : x
  2. Step 2: Convert to fraction form
    19,348.94/26,703.78 = 10,853.40/x
  3. Step 3: Cross multiply
    19,348.94x = 26,703.78 × 10,853.40
  4. Step 4: Simplify right side
    19,348.94x = 289,826,805.85
  5. Step 5: Solve for x
    x = 289,826,805.85/19,348.94
  6. Step 6: Final answer
    x = 14,978.95

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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.