Home / 15,453.54-23,179.86-8,875.08

Finding the Fourth Proportional to 15,453.54, 23,179.86 and 8,875.08

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Solution

The fourth proportional to 15,453.54, 23,179.86 and 8,875.08 is: 13,312.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,453.54 : 23,179.86 = 8,875.08 : x
  2. Step 2: Convert to fraction form
    15,453.54/23,179.86 = 8,875.08/x
  3. Step 3: Cross multiply
    15,453.54x = 23,179.86 × 8,875.08
  4. Step 4: Simplify right side
    15,453.54x = 205,723,111.89
  5. Step 5: Solve for x
    x = 205,723,111.89/15,453.54
  6. Step 6: Final answer
    x = 13,312.36

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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.