Home / 42,784.40-64,174.44-14,707.04

Finding the Fourth Proportional to 42,784.40, 64,174.44 and 14,707.04

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Solution

The fourth proportional to 42,784.40, 64,174.44 and 14,707.04 is: 22,059.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,784.40 : 64,174.44 = 14,707.04 : x
  2. Step 2: Convert to fraction form
    42,784.40/64,174.44 = 14,707.04/x
  3. Step 3: Cross multiply
    42,784.40x = 64,174.44 × 14,707.04
  4. Step 4: Simplify right side
    42,784.40x = 943,816,056.06
  5. Step 5: Solve for x
    x = 943,816,056.06/42,784.40
  6. Step 6: Final answer
    x = 22,059.82

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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.