Home / 19,154.67-26,434.31-15,962.63

Finding the Fourth Proportional to 19,154.67, 26,434.31 and 15,962.63

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Solution

The fourth proportional to 19,154.67, 26,434.31 and 15,962.63 is: 22,029.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,154.67 : 26,434.31 = 15,962.63 : x
  2. Step 2: Convert to fraction form
    19,154.67/26,434.31 = 15,962.63/x
  3. Step 3: Cross multiply
    19,154.67x = 26,434.31 × 15,962.63
  4. Step 4: Simplify right side
    19,154.67x = 421,960,897.85
  5. Step 5: Solve for x
    x = 421,960,897.85/19,154.67
  6. Step 6: Final answer
    x = 22,029.14

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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.