Home / 32,678.81-45,096.75-18,531.65

Finding the Fourth Proportional to 32,678.81, 45,096.75 and 18,531.65

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Solution

The fourth proportional to 32,678.81, 45,096.75 and 18,531.65 is: 25,573.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,678.81 : 45,096.75 = 18,531.65 : x
  2. Step 2: Convert to fraction form
    32,678.81/45,096.75 = 18,531.65/x
  3. Step 3: Cross multiply
    32,678.81x = 45,096.75 × 18,531.65
  4. Step 4: Simplify right side
    32,678.81x = 835,717,061.27
  5. Step 5: Solve for x
    x = 835,717,061.27/32,678.81
  6. Step 6: Final answer
    x = 25,573.67

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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.