Home / 21,622.47-29,852.63-16,577.34

Finding the Fourth Proportional to 21,622.47, 29,852.63 and 16,577.34

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Solution

The fourth proportional to 21,622.47, 29,852.63 and 16,577.34 is: 22,887.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,622.47 : 29,852.63 = 16,577.34 : x
  2. Step 2: Convert to fraction form
    21,622.47/29,852.63 = 16,577.34/x
  3. Step 3: Cross multiply
    21,622.47x = 29,852.63 × 16,577.34
  4. Step 4: Simplify right side
    21,622.47x = 494,877,197.40
  5. Step 5: Solve for x
    x = 494,877,197.40/21,622.47
  6. Step 6: Final answer
    x = 22,887.17

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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.