Home / 16,200.04-22,357.74-9,916.60

Finding the Fourth Proportional to 16,200.04, 22,357.74 and 9,916.60

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Solution

The fourth proportional to 16,200.04, 22,357.74 and 9,916.60 is: 13,685.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,200.04 : 22,357.74 = 9,916.60 : x
  2. Step 2: Convert to fraction form
    16,200.04/22,357.74 = 9,916.60/x
  3. Step 3: Cross multiply
    16,200.04x = 22,357.74 × 9,916.60
  4. Step 4: Simplify right side
    16,200.04x = 221,712,764.48
  5. Step 5: Solve for x
    x = 221,712,764.48/16,200.04
  6. Step 6: Final answer
    x = 13,685.94

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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.