Home / 19,470.59-26,869.94-11,916.77

Finding the Fourth Proportional to 19,470.59, 26,869.94 and 11,916.77

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Solution

The fourth proportional to 19,470.59, 26,869.94 and 11,916.77 is: 16,445.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,470.59 : 26,869.94 = 11,916.77 : x
  2. Step 2: Convert to fraction form
    19,470.59/26,869.94 = 11,916.77/x
  3. Step 3: Cross multiply
    19,470.59x = 26,869.94 × 11,916.77
  4. Step 4: Simplify right side
    19,470.59x = 320,202,700.96
  5. Step 5: Solve for x
    x = 320,202,700.96/19,470.59
  6. Step 6: Final answer
    x = 16,445.46

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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.