Home / 21,776.02-30,052.14-16,461.60

Finding the Fourth Proportional to 21,776.02, 30,052.14 and 16,461.60

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Solution

The fourth proportional to 21,776.02, 30,052.14 and 16,461.60 is: 22,717.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,776.02 : 30,052.14 = 16,461.60 : x
  2. Step 2: Convert to fraction form
    21,776.02/30,052.14 = 16,461.60/x
  3. Step 3: Cross multiply
    21,776.02x = 30,052.14 × 16,461.60
  4. Step 4: Simplify right side
    21,776.02x = 494,706,307.82
  5. Step 5: Solve for x
    x = 494,706,307.82/21,776.02
  6. Step 6: Final answer
    x = 22,717.94

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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.