Home / 19,357.17-26,720.19-16,658.45

Finding the Fourth Proportional to 19,357.17, 26,720.19 and 16,658.45

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Solution

The fourth proportional to 19,357.17, 26,720.19 and 16,658.45 is: 22,994.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,357.17 : 26,720.19 = 16,658.45 : x
  2. Step 2: Convert to fraction form
    19,357.17/26,720.19 = 16,658.45/x
  3. Step 3: Cross multiply
    19,357.17x = 26,720.19 × 16,658.45
  4. Step 4: Simplify right side
    19,357.17x = 445,116,796.14
  5. Step 5: Solve for x
    x = 445,116,796.14/19,357.17
  6. Step 6: Final answer
    x = 22,994.93

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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.