Home / 16,390.02-22,614.84-10,419.51

Finding the Fourth Proportional to 16,390.02, 22,614.84 and 10,419.51

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Solution

The fourth proportional to 16,390.02, 22,614.84 and 10,419.51 is: 14,376.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,390.02 : 22,614.84 = 10,419.51 : x
  2. Step 2: Convert to fraction form
    16,390.02/22,614.84 = 10,419.51/x
  3. Step 3: Cross multiply
    16,390.02x = 22,614.84 × 10,419.51
  4. Step 4: Simplify right side
    16,390.02x = 235,635,551.53
  5. Step 5: Solve for x
    x = 235,635,551.53/16,390.02
  6. Step 6: Final answer
    x = 14,376.77

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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.