Home / 22,810.32-31,465.80-16,511.76

Finding the Fourth Proportional to 22,810.32, 31,465.80 and 16,511.76

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Solution

The fourth proportional to 22,810.32, 31,465.80 and 16,511.76 is: 22,777.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,810.32 : 31,465.80 = 16,511.76 : x
  2. Step 2: Convert to fraction form
    22,810.32/31,465.80 = 16,511.76/x
  3. Step 3: Cross multiply
    22,810.32x = 31,465.80 × 16,511.76
  4. Step 4: Simplify right side
    22,810.32x = 519,555,737.81
  5. Step 5: Solve for x
    x = 519,555,737.81/22,810.32
  6. Step 6: Final answer
    x = 22,777.22

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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.