Home / 21,483.36-32,196.84-15,580.08

Finding the Fourth Proportional to 21,483.36, 32,196.84 and 15,580.08

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Solution

The fourth proportional to 21,483.36, 32,196.84 and 15,580.08 is: 23,349.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,483.36 : 32,196.84 = 15,580.08 : x
  2. Step 2: Convert to fraction form
    21,483.36/32,196.84 = 15,580.08/x
  3. Step 3: Cross multiply
    21,483.36x = 32,196.84 × 15,580.08
  4. Step 4: Simplify right side
    21,483.36x = 501,629,342.95
  5. Step 5: Solve for x
    x = 501,629,342.95/21,483.36
  6. Step 6: Final answer
    x = 23,349.67

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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.