Home / 19,332.48-28,998.40-8,246.40

Finding the Fourth Proportional to 19,332.48, 28,998.40 and 8,246.40

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Solution

The fourth proportional to 19,332.48, 28,998.40 and 8,246.40 is: 12,369.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,332.48 : 28,998.40 = 8,246.40 : x
  2. Step 2: Convert to fraction form
    19,332.48/28,998.40 = 8,246.40/x
  3. Step 3: Cross multiply
    19,332.48x = 28,998.40 × 8,246.40
  4. Step 4: Simplify right side
    19,332.48x = 239,132,405.76
  5. Step 5: Solve for x
    x = 239,132,405.76/19,332.48
  6. Step 6: Final answer
    x = 12,369.46

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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.