Home / 14,262.48-21,393.72-3,875.76

Finding the Fourth Proportional to 14,262.48, 21,393.72 and 3,875.76

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Solution

The fourth proportional to 14,262.48, 21,393.72 and 3,875.76 is: 5,813.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,262.48 : 21,393.72 = 3,875.76 : x
  2. Step 2: Convert to fraction form
    14,262.48/21,393.72 = 3,875.76/x
  3. Step 3: Cross multiply
    14,262.48x = 21,393.72 × 3,875.76
  4. Step 4: Simplify right side
    14,262.48x = 82,916,924.23
  5. Step 5: Solve for x
    x = 82,916,924.23/14,262.48
  6. Step 6: Final answer
    x = 5,813.64

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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.