Home / 19,291.31-26,614.17-12,574.58

Finding the Fourth Proportional to 19,291.31, 26,614.17 and 12,574.58

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Solution

The fourth proportional to 19,291.31, 26,614.17 and 12,574.58 is: 17,347.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,291.31 : 26,614.17 = 12,574.58 : x
  2. Step 2: Convert to fraction form
    19,291.31/26,614.17 = 12,574.58/x
  3. Step 3: Cross multiply
    19,291.31x = 26,614.17 × 12,574.58
  4. Step 4: Simplify right side
    19,291.31x = 334,662,009.80
  5. Step 5: Solve for x
    x = 334,662,009.80/19,291.31
  6. Step 6: Final answer
    x = 17,347.81

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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.