Home / 16,126.02-22,256.73-9,412.74

Finding the Fourth Proportional to 16,126.02, 22,256.73 and 9,412.74

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Solution

The fourth proportional to 16,126.02, 22,256.73 and 9,412.74 is: 12,991.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,126.02 : 22,256.73 = 9,412.74 : x
  2. Step 2: Convert to fraction form
    16,126.02/22,256.73 = 9,412.74/x
  3. Step 3: Cross multiply
    16,126.02x = 22,256.73 × 9,412.74
  4. Step 4: Simplify right side
    16,126.02x = 209,496,812.74
  5. Step 5: Solve for x
    x = 209,496,812.74/16,126.02
  6. Step 6: Final answer
    x = 12,991.23

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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.