Home / 15,088.59-20,817.44-8,714.34

Finding the Fourth Proportional to 15,088.59, 20,817.44 and 8,714.34

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Solution

The fourth proportional to 15,088.59, 20,817.44 and 8,714.34 is: 12,023.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,088.59 : 20,817.44 = 8,714.34 : x
  2. Step 2: Convert to fraction form
    15,088.59/20,817.44 = 8,714.34/x
  3. Step 3: Cross multiply
    15,088.59x = 20,817.44 × 8,714.34
  4. Step 4: Simplify right side
    15,088.59x = 181,410,206.52
  5. Step 5: Solve for x
    x = 181,410,206.52/15,088.59
  6. Step 6: Final answer
    x = 12,023.01

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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.