Home / 15,582.04-21,503.46-8,508.76

Finding the Fourth Proportional to 15,582.04, 21,503.46 and 8,508.76

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Solution

The fourth proportional to 15,582.04, 21,503.46 and 8,508.76 is: 11,742.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,582.04 : 21,503.46 = 8,508.76 : x
  2. Step 2: Convert to fraction form
    15,582.04/21,503.46 = 8,508.76/x
  3. Step 3: Cross multiply
    15,582.04x = 21,503.46 × 8,508.76
  4. Step 4: Simplify right side
    15,582.04x = 182,967,780.31
  5. Step 5: Solve for x
    x = 182,967,780.31/15,582.04
  6. Step 6: Final answer
    x = 11,742.22

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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.