Home / 20,732.36-28,627.53-16,904.63

Finding the Fourth Proportional to 20,732.36, 28,627.53 and 16,904.63

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Solution

The fourth proportional to 20,732.36, 28,627.53 and 16,904.63 is: 23,342.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,732.36 : 28,627.53 = 16,904.63 : x
  2. Step 2: Convert to fraction form
    20,732.36/28,627.53 = 16,904.63/x
  3. Step 3: Cross multiply
    20,732.36x = 28,627.53 × 16,904.63
  4. Step 4: Simplify right side
    20,732.36x = 483,937,802.46
  5. Step 5: Solve for x
    x = 483,937,802.46/20,732.36
  6. Step 6: Final answer
    x = 23,342.15

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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.