Home / 19,160.78-26,434.53-14,136.98

Finding the Fourth Proportional to 19,160.78, 26,434.53 and 14,136.98

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Solution

The fourth proportional to 19,160.78, 26,434.53 and 14,136.98 is: 19,503.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,160.78 : 26,434.53 = 14,136.98 : x
  2. Step 2: Convert to fraction form
    19,160.78/26,434.53 = 14,136.98/x
  3. Step 3: Cross multiply
    19,160.78x = 26,434.53 × 14,136.98
  4. Step 4: Simplify right side
    19,160.78x = 373,704,398.68
  5. Step 5: Solve for x
    x = 373,704,398.68/19,160.78
  6. Step 6: Final answer
    x = 19,503.61

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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.