Home / 31,514.19-47,280.45-9,328.14

Finding the Fourth Proportional to 31,514.19, 47,280.45 and 9,328.14

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Solution

The fourth proportional to 31,514.19, 47,280.45 and 9,328.14 is: 13,994.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,514.19 : 47,280.45 = 9,328.14 : x
  2. Step 2: Convert to fraction form
    31,514.19/47,280.45 = 9,328.14/x
  3. Step 3: Cross multiply
    31,514.19x = 47,280.45 × 9,328.14
  4. Step 4: Simplify right side
    31,514.19x = 441,038,656.86
  5. Step 5: Solve for x
    x = 441,038,656.86/31,514.19
  6. Step 6: Final answer
    x = 13,994.92

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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.