Home / 15,931.45-23,897.58-8,907.54

Finding the Fourth Proportional to 15,931.45, 23,897.58 and 8,907.54

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Solution

The fourth proportional to 15,931.45, 23,897.58 and 8,907.54 is: 13,361.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,931.45 : 23,897.58 = 8,907.54 : x
  2. Step 2: Convert to fraction form
    15,931.45/23,897.58 = 8,907.54/x
  3. Step 3: Cross multiply
    15,931.45x = 23,897.58 × 8,907.54
  4. Step 4: Simplify right side
    15,931.45x = 212,868,649.75
  5. Step 5: Solve for x
    x = 212,868,649.75/15,931.45
  6. Step 6: Final answer
    x = 13,361.54

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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.