Home / 19,056.90-28,601.55-8,543.10

Finding the Fourth Proportional to 19,056.90, 28,601.55 and 8,543.10

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Solution

The fourth proportional to 19,056.90, 28,601.55 and 8,543.10 is: 12,821.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,056.90 : 28,601.55 = 8,543.10 : x
  2. Step 2: Convert to fraction form
    19,056.90/28,601.55 = 8,543.10/x
  3. Step 3: Cross multiply
    19,056.90x = 28,601.55 × 8,543.10
  4. Step 4: Simplify right side
    19,056.90x = 244,345,901.81
  5. Step 5: Solve for x
    x = 244,345,901.81/19,056.90
  6. Step 6: Final answer
    x = 12,821.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.