Home / 14,182.92-19,572.78-7,895.40

Finding the Fourth Proportional to 14,182.92, 19,572.78 and 7,895.40

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Solution

The fourth proportional to 14,182.92, 19,572.78 and 7,895.40 is: 10,895.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,182.92 : 19,572.78 = 7,895.40 : x
  2. Step 2: Convert to fraction form
    14,182.92/19,572.78 = 7,895.40/x
  3. Step 3: Cross multiply
    14,182.92x = 19,572.78 × 7,895.40
  4. Step 4: Simplify right side
    14,182.92x = 154,534,927.21
  5. Step 5: Solve for x
    x = 154,534,927.21/14,182.92
  6. Step 6: Final answer
    x = 10,895.85

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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.