Home / 32,875.29-45,356.80-18,718.11

Finding the Fourth Proportional to 32,875.29, 45,356.80 and 18,718.11

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Solution

The fourth proportional to 32,875.29, 45,356.80 and 18,718.11 is: 25,824.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,875.29 : 45,356.80 = 18,718.11 : x
  2. Step 2: Convert to fraction form
    32,875.29/45,356.80 = 18,718.11/x
  3. Step 3: Cross multiply
    32,875.29x = 45,356.80 × 18,718.11
  4. Step 4: Simplify right side
    32,875.29x = 848,993,571.65
  5. Step 5: Solve for x
    x = 848,993,571.65/32,875.29
  6. Step 6: Final answer
    x = 25,824.67

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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.