Home / 19,152.02-28,703.70-8,610.78

Finding the Fourth Proportional to 19,152.02, 28,703.70 and 8,610.78

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Solution

The fourth proportional to 19,152.02, 28,703.70 and 8,610.78 is: 12,905.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,152.02 : 28,703.70 = 8,610.78 : x
  2. Step 2: Convert to fraction form
    19,152.02/28,703.70 = 8,610.78/x
  3. Step 3: Cross multiply
    19,152.02x = 28,703.70 × 8,610.78
  4. Step 4: Simplify right side
    19,152.02x = 247,161,353.52
  5. Step 5: Solve for x
    x = 247,161,353.52/19,152.02
  6. Step 6: Final answer
    x = 12,905.24

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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.