Home / 20,962.63-31,346.74-16,228.99

Finding the Fourth Proportional to 20,962.63, 31,346.74 and 16,228.99

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Solution

The fourth proportional to 20,962.63, 31,346.74 and 16,228.99 is: 24,268.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,962.63 : 31,346.74 = 16,228.99 : x
  2. Step 2: Convert to fraction form
    20,962.63/31,346.74 = 16,228.99/x
  3. Step 3: Cross multiply
    20,962.63x = 31,346.74 × 16,228.99
  4. Step 4: Simplify right side
    20,962.63x = 508,725,929.99
  5. Step 5: Solve for x
    x = 508,725,929.99/20,962.63
  6. Step 6: Final answer
    x = 24,268.23

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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.