Home / 42,852.40-64,286.40-14,776.48

Finding the Fourth Proportional to 42,852.40, 64,286.40 and 14,776.48

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Solution

The fourth proportional to 42,852.40, 64,286.40 and 14,776.48 is: 22,167.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,852.40 : 64,286.40 = 14,776.48 : x
  2. Step 2: Convert to fraction form
    42,852.40/64,286.40 = 14,776.48/x
  3. Step 3: Cross multiply
    42,852.40x = 64,286.40 × 14,776.48
  4. Step 4: Simplify right side
    42,852.40x = 949,926,703.87
  5. Step 5: Solve for x
    x = 949,926,703.87/42,852.40
  6. Step 6: Final answer
    x = 22,167.41

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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.