Home / 18,057.32-27,062.88-15,707.50

Finding the Fourth Proportional to 18,057.32, 27,062.88 and 15,707.50

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Solution

The fourth proportional to 18,057.32, 27,062.88 and 15,707.50 is: 23,541.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,057.32 : 27,062.88 = 15,707.50 : x
  2. Step 2: Convert to fraction form
    18,057.32/27,062.88 = 15,707.50/x
  3. Step 3: Cross multiply
    18,057.32x = 27,062.88 × 15,707.50
  4. Step 4: Simplify right side
    18,057.32x = 425,090,187.60
  5. Step 5: Solve for x
    x = 425,090,187.60/18,057.32
  6. Step 6: Final answer
    x = 23,541.16

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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.