Home / 18,892.19-26,070.89-12,923.66

Finding the Fourth Proportional to 18,892.19, 26,070.89 and 12,923.66

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Solution

The fourth proportional to 18,892.19, 26,070.89 and 12,923.66 is: 17,834.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,892.19 : 26,070.89 = 12,923.66 : x
  2. Step 2: Convert to fraction form
    18,892.19/26,070.89 = 12,923.66/x
  3. Step 3: Cross multiply
    18,892.19x = 26,070.89 × 12,923.66
  4. Step 4: Simplify right side
    18,892.19x = 336,931,318.82
  5. Step 5: Solve for x
    x = 336,931,318.82/18,892.19
  6. Step 6: Final answer
    x = 17,834.42

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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.