Home / 14,271.73-19,686.85-8,302.71

Finding the Fourth Proportional to 14,271.73, 19,686.85 and 8,302.71

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Solution

The fourth proportional to 14,271.73, 19,686.85 and 8,302.71 is: 11,453.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,271.73 : 19,686.85 = 8,302.71 : x
  2. Step 2: Convert to fraction form
    14,271.73/19,686.85 = 8,302.71/x
  3. Step 3: Cross multiply
    14,271.73x = 19,686.85 × 8,302.71
  4. Step 4: Simplify right side
    14,271.73x = 163,454,206.36
  5. Step 5: Solve for x
    x = 163,454,206.36/14,271.73
  6. Step 6: Final answer
    x = 11,453.01

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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.