Home / 13,056.96-18,018.62-7,088.63

Finding the Fourth Proportional to 13,056.96, 18,018.62 and 7,088.63

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Solution

The fourth proportional to 13,056.96, 18,018.62 and 7,088.63 is: 9,782.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,056.96 : 18,018.62 = 7,088.63 : x
  2. Step 2: Convert to fraction form
    13,056.96/18,018.62 = 7,088.63/x
  3. Step 3: Cross multiply
    13,056.96x = 18,018.62 × 7,088.63
  4. Step 4: Simplify right side
    13,056.96x = 127,727,204.75
  5. Step 5: Solve for x
    x = 127,727,204.75/13,056.96
  6. Step 6: Final answer
    x = 9,782.31

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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.