Home / 56,380.99-84,565-14,831.23

Finding the Fourth Proportional to 56,380.99, 84,565 and 14,831.23

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Solution

The fourth proportional to 56,380.99, 84,565 and 14,831.23 is: 22,245.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,380.99 : 84,565 = 14,831.23 : x
  2. Step 2: Convert to fraction form
    56,380.99/84,565 = 14,831.23/x
  3. Step 3: Cross multiply
    56,380.99x = 84,565 × 14,831.23
  4. Step 4: Simplify right side
    56,380.99x = 1,254,202,964.95
  5. Step 5: Solve for x
    x = 1,254,202,964.95/56,380.99
  6. Step 6: Final answer
    x = 22,245.14

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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.