Home / 19,357.16-26,714.64-11,803.91

Finding the Fourth Proportional to 19,357.16, 26,714.64 and 11,803.91

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Solution

The fourth proportional to 19,357.16, 26,714.64 and 11,803.91 is: 16,290.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,357.16 : 26,714.64 = 11,803.91 : x
  2. Step 2: Convert to fraction form
    19,357.16/26,714.64 = 11,803.91/x
  3. Step 3: Cross multiply
    19,357.16x = 26,714.64 × 11,803.91
  4. Step 4: Simplify right side
    19,357.16x = 315,337,013.65
  5. Step 5: Solve for x
    x = 315,337,013.65/19,357.16
  6. Step 6: Final answer
    x = 16,290.46

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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.