Home / 25,547.81-38,323.53-8,912.03

Finding the Fourth Proportional to 25,547.81, 38,323.53 and 8,912.03

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Solution

The fourth proportional to 25,547.81, 38,323.53 and 8,912.03 is: 13,368.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,547.81 : 38,323.53 = 8,912.03 : x
  2. Step 2: Convert to fraction form
    25,547.81/38,323.53 = 8,912.03/x
  3. Step 3: Cross multiply
    25,547.81x = 38,323.53 × 8,912.03
  4. Step 4: Simplify right side
    25,547.81x = 341,540,257.45
  5. Step 5: Solve for x
    x = 341,540,257.45/25,547.81
  6. Step 6: Final answer
    x = 13,368.67

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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.