Home / 19,542.13-26,931.96-13,877.12

Finding the Fourth Proportional to 19,542.13, 26,931.96 and 13,877.12

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Solution

The fourth proportional to 19,542.13, 26,931.96 and 13,877.12 is: 19,124.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,542.13 : 26,931.96 = 13,877.12 : x
  2. Step 2: Convert to fraction form
    19,542.13/26,931.96 = 13,877.12/x
  3. Step 3: Cross multiply
    19,542.13x = 26,931.96 × 13,877.12
  4. Step 4: Simplify right side
    19,542.13x = 373,738,108.09
  5. Step 5: Solve for x
    x = 373,738,108.09/19,542.13
  6. Step 6: Final answer
    x = 19,124.74

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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.