Home / 19,347.74-26,705.59-12,634.42

Finding the Fourth Proportional to 19,347.74, 26,705.59 and 12,634.42

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Solution

The fourth proportional to 19,347.74, 26,705.59 and 12,634.42 is: 17,439.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,347.74 : 26,705.59 = 12,634.42 : x
  2. Step 2: Convert to fraction form
    19,347.74/26,705.59 = 12,634.42/x
  3. Step 3: Cross multiply
    19,347.74x = 26,705.59 × 12,634.42
  4. Step 4: Simplify right side
    19,347.74x = 337,409,640.41
  5. Step 5: Solve for x
    x = 337,409,640.41/19,347.74
  6. Step 6: Final answer
    x = 17,439.23

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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.