Home / 16,866.64-23,254.33-13,830.58

Finding the Fourth Proportional to 16,866.64, 23,254.33 and 13,830.58

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Solution

The fourth proportional to 16,866.64, 23,254.33 and 13,830.58 is: 19,068.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,866.64 : 23,254.33 = 13,830.58 : x
  2. Step 2: Convert to fraction form
    16,866.64/23,254.33 = 13,830.58/x
  3. Step 3: Cross multiply
    16,866.64x = 23,254.33 × 13,830.58
  4. Step 4: Simplify right side
    16,866.64x = 321,620,871.41
  5. Step 5: Solve for x
    x = 321,620,871.41/16,866.64
  6. Step 6: Final answer
    x = 19,068.46

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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.