Home / 21,385.27-32,077.36-5,802.49

Finding the Fourth Proportional to 21,385.27, 32,077.36 and 5,802.49

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Solution

The fourth proportional to 21,385.27, 32,077.36 and 5,802.49 is: 8,703.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,385.27 : 32,077.36 = 5,802.49 : x
  2. Step 2: Convert to fraction form
    21,385.27/32,077.36 = 5,802.49/x
  3. Step 3: Cross multiply
    21,385.27x = 32,077.36 × 5,802.49
  4. Step 4: Simplify right side
    21,385.27x = 186,128,560.63
  5. Step 5: Solve for x
    x = 186,128,560.63/21,385.27
  6. Step 6: Final answer
    x = 8,703.59

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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.