Home / 16,813.53-23,177.78-10,762.89

Finding the Fourth Proportional to 16,813.53, 23,177.78 and 10,762.89

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Solution

The fourth proportional to 16,813.53, 23,177.78 and 10,762.89 is: 14,836.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,813.53 : 23,177.78 = 10,762.89 : x
  2. Step 2: Convert to fraction form
    16,813.53/23,177.78 = 10,762.89/x
  3. Step 3: Cross multiply
    16,813.53x = 23,177.78 × 10,762.89
  4. Step 4: Simplify right side
    16,813.53x = 249,459,896.58
  5. Step 5: Solve for x
    x = 249,459,896.58/16,813.53
  6. Step 6: Final answer
    x = 14,836.85

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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.