Home / 20,593.04-28,417.64-11,638.62

Finding the Fourth Proportional to 20,593.04, 28,417.64 and 11,638.62

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Solution

The fourth proportional to 20,593.04, 28,417.64 and 11,638.62 is: 16,060.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,593.04 : 28,417.64 = 11,638.62 : x
  2. Step 2: Convert to fraction form
    20,593.04/28,417.64 = 11,638.62/x
  3. Step 3: Cross multiply
    20,593.04x = 28,417.64 × 11,638.62
  4. Step 4: Simplify right side
    20,593.04x = 330,742,055.06
  5. Step 5: Solve for x
    x = 330,742,055.06/20,593.04
  6. Step 6: Final answer
    x = 16,060.87

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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.