Home / 65,457.32-98,186.46-18,710.76

Finding the Fourth Proportional to 65,457.32, 98,186.46 and 18,710.76

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Solution

The fourth proportional to 65,457.32, 98,186.46 and 18,710.76 is: 28,066.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,457.32 : 98,186.46 = 18,710.76 : x
  2. Step 2: Convert to fraction form
    65,457.32/98,186.46 = 18,710.76/x
  3. Step 3: Cross multiply
    65,457.32x = 98,186.46 × 18,710.76
  4. Step 4: Simplify right side
    65,457.32x = 1,837,143,288.31
  5. Step 5: Solve for x
    x = 1,837,143,288.31/65,457.32
  6. Step 6: Final answer
    x = 28,066.28

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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.