Home / 22,816.20-31,476.63-14,312.55

Finding the Fourth Proportional to 22,816.20, 31,476.63 and 14,312.55

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Solution

The fourth proportional to 22,816.20, 31,476.63 and 14,312.55 is: 19,745.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,816.20 : 31,476.63 = 14,312.55 : x
  2. Step 2: Convert to fraction form
    22,816.20/31,476.63 = 14,312.55/x
  3. Step 3: Cross multiply
    22,816.20x = 31,476.63 × 14,312.55
  4. Step 4: Simplify right side
    22,816.20x = 450,510,840.71
  5. Step 5: Solve for x
    x = 450,510,840.71/22,816.20
  6. Step 6: Final answer
    x = 19,745.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.