Home / 15,210.76-22,820.70-5,851.62

Finding the Fourth Proportional to 15,210.76, 22,820.70 and 5,851.62

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Solution

The fourth proportional to 15,210.76, 22,820.70 and 5,851.62 is: 8,779.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,210.76 : 22,820.70 = 5,851.62 : x
  2. Step 2: Convert to fraction form
    15,210.76/22,820.70 = 5,851.62/x
  3. Step 3: Cross multiply
    15,210.76x = 22,820.70 × 5,851.62
  4. Step 4: Simplify right side
    15,210.76x = 133,538,064.53
  5. Step 5: Solve for x
    x = 133,538,064.53/15,210.76
  6. Step 6: Final answer
    x = 8,779.18

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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.