Home / 16,341.74-22,572.71-13,520.51

Finding the Fourth Proportional to 16,341.74, 22,572.71 and 13,520.51

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Solution

The fourth proportional to 16,341.74, 22,572.71 and 13,520.51 is: 18,675.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,341.74 : 22,572.71 = 13,520.51 : x
  2. Step 2: Convert to fraction form
    16,341.74/22,572.71 = 13,520.51/x
  3. Step 3: Cross multiply
    16,341.74x = 22,572.71 × 13,520.51
  4. Step 4: Simplify right side
    16,341.74x = 305,194,551.28
  5. Step 5: Solve for x
    x = 305,194,551.28/16,341.74
  6. Step 6: Final answer
    x = 18,675.77

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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.