Home / 19,835.22-27,377.34-13,472.40

Finding the Fourth Proportional to 19,835.22, 27,377.34 and 13,472.40

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Solution

The fourth proportional to 19,835.22, 27,377.34 and 13,472.40 is: 18,595.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,835.22 : 27,377.34 = 13,472.40 : x
  2. Step 2: Convert to fraction form
    19,835.22/27,377.34 = 13,472.40/x
  3. Step 3: Cross multiply
    19,835.22x = 27,377.34 × 13,472.40
  4. Step 4: Simplify right side
    19,835.22x = 368,838,475.42
  5. Step 5: Solve for x
    x = 368,838,475.42/19,835.22
  6. Step 6: Final answer
    x = 18,595.13

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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.