Home / 16,543.93-22,830.74-8,990.23

Finding the Fourth Proportional to 16,543.93, 22,830.74 and 8,990.23

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Solution

The fourth proportional to 16,543.93, 22,830.74 and 8,990.23 is: 12,406.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,543.93 : 22,830.74 = 8,990.23 : x
  2. Step 2: Convert to fraction form
    16,543.93/22,830.74 = 8,990.23/x
  3. Step 3: Cross multiply
    16,543.93x = 22,830.74 × 8,990.23
  4. Step 4: Simplify right side
    16,543.93x = 205,253,603.67
  5. Step 5: Solve for x
    x = 205,253,603.67/16,543.93
  6. Step 6: Final answer
    x = 12,406.58

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Double scale
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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.