Home / 19,714.64-27,216.84-15,673.52

Finding the Fourth Proportional to 19,714.64, 27,216.84 and 15,673.52

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Solution

The fourth proportional to 19,714.64, 27,216.84 and 15,673.52 is: 21,637.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,714.64 : 27,216.84 = 15,673.52 : x
  2. Step 2: Convert to fraction form
    19,714.64/27,216.84 = 15,673.52/x
  3. Step 3: Cross multiply
    19,714.64x = 27,216.84 × 15,673.52
  4. Step 4: Simplify right side
    19,714.64x = 426,583,686.08
  5. Step 5: Solve for x
    x = 426,583,686.08/19,714.64
  6. Step 6: Final answer
    x = 21,637.91

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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.