Home / 32,835.65-45,313.75-18,689.81

Finding the Fourth Proportional to 32,835.65, 45,313.75 and 18,689.81

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Solution

The fourth proportional to 32,835.65, 45,313.75 and 18,689.81 is: 25,792.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,835.65 : 45,313.75 = 18,689.81 : x
  2. Step 2: Convert to fraction form
    32,835.65/45,313.75 = 18,689.81/x
  3. Step 3: Cross multiply
    32,835.65x = 45,313.75 × 18,689.81
  4. Step 4: Simplify right side
    32,835.65x = 846,905,514.53
  5. Step 5: Solve for x
    x = 846,905,514.53/32,835.65
  6. Step 6: Final answer
    x = 25,792.25

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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.