Home / 42,836.58-64,256.67-13,254.98

Finding the Fourth Proportional to 42,836.58, 64,256.67 and 13,254.98

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Solution

The fourth proportional to 42,836.58, 64,256.67 and 13,254.98 is: 19,883.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,836.58 : 64,256.67 = 13,254.98 : x
  2. Step 2: Convert to fraction form
    42,836.58/64,256.67 = 13,254.98/x
  3. Step 3: Cross multiply
    42,836.58x = 64,256.67 × 13,254.98
  4. Step 4: Simplify right side
    42,836.58x = 851,720,554.43
  5. Step 5: Solve for x
    x = 851,720,554.43/42,836.58
  6. Step 6: Final answer
    x = 19,883.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.