Home / 14,897.86-20,583.93-12,409.54

Finding the Fourth Proportional to 14,897.86, 20,583.93 and 12,409.54

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Solution

The fourth proportional to 14,897.86, 20,583.93 and 12,409.54 is: 17,145.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,897.86 : 20,583.93 = 12,409.54 : x
  2. Step 2: Convert to fraction form
    14,897.86/20,583.93 = 12,409.54/x
  3. Step 3: Cross multiply
    14,897.86x = 20,583.93 × 12,409.54
  4. Step 4: Simplify right side
    14,897.86x = 255,437,102.69
  5. Step 5: Solve for x
    x = 255,437,102.69/14,897.86
  6. Step 6: Final answer
    x = 17,145.89

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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.