Home / 16,128.24-22,256.88-9,054.64

Finding the Fourth Proportional to 16,128.24, 22,256.88 and 9,054.64

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Solution

The fourth proportional to 16,128.24, 22,256.88 and 9,054.64 is: 12,495.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,128.24 : 22,256.88 = 9,054.64 : x
  2. Step 2: Convert to fraction form
    16,128.24/22,256.88 = 9,054.64/x
  3. Step 3: Cross multiply
    16,128.24x = 22,256.88 × 9,054.64
  4. Step 4: Simplify right side
    16,128.24x = 201,528,035.92
  5. Step 5: Solve for x
    x = 201,528,035.92/16,128.24
  6. Step 6: Final answer
    x = 12,495.35

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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.