Home / 24,280.90-36,421.52-8,485.83

Finding the Fourth Proportional to 24,280.90, 36,421.52 and 8,485.83

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Solution

The fourth proportional to 24,280.90, 36,421.52 and 8,485.83 is: 12,728.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,280.90 : 36,421.52 = 8,485.83 : x
  2. Step 2: Convert to fraction form
    24,280.90/36,421.52 = 8,485.83/x
  3. Step 3: Cross multiply
    24,280.90x = 36,421.52 × 8,485.83
  4. Step 4: Simplify right side
    24,280.90x = 309,066,784.63
  5. Step 5: Solve for x
    x = 309,066,784.63/24,280.90
  6. Step 6: Final answer
    x = 12,728.80

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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.