Home / 13,582.08-20,368.26-7,346.70

Finding the Fourth Proportional to 13,582.08, 20,368.26 and 7,346.70

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Solution

The fourth proportional to 13,582.08, 20,368.26 and 7,346.70 is: 11,017.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,582.08 : 20,368.26 = 7,346.70 : x
  2. Step 2: Convert to fraction form
    13,582.08/20,368.26 = 7,346.70/x
  3. Step 3: Cross multiply
    13,582.08x = 20,368.26 × 7,346.70
  4. Step 4: Simplify right side
    13,582.08x = 149,639,495.74
  5. Step 5: Solve for x
    x = 149,639,495.74/13,582.08
  6. Step 6: Final answer
    x = 11,017.42

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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.