Home / 21,368.10-29,468.46-16,322.94

Finding the Fourth Proportional to 21,368.10, 29,468.46 and 16,322.94

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Solution

The fourth proportional to 21,368.10, 29,468.46 and 16,322.94 is: 22,510.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,368.10 : 29,468.46 = 16,322.94 : x
  2. Step 2: Convert to fraction form
    21,368.10/29,468.46 = 16,322.94/x
  3. Step 3: Cross multiply
    21,368.10x = 29,468.46 × 16,322.94
  4. Step 4: Simplify right side
    21,368.10x = 481,011,904.47
  5. Step 5: Solve for x
    x = 481,011,904.47/21,368.10
  6. Step 6: Final answer
    x = 22,510.75

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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.