Home / 14,749.86-22,128.08-5,389.86

Finding the Fourth Proportional to 14,749.86, 22,128.08 and 5,389.86

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Solution

The fourth proportional to 14,749.86, 22,128.08 and 5,389.86 is: 8,085.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,749.86 : 22,128.08 = 5,389.86 : x
  2. Step 2: Convert to fraction form
    14,749.86/22,128.08 = 5,389.86/x
  3. Step 3: Cross multiply
    14,749.86x = 22,128.08 × 5,389.86
  4. Step 4: Simplify right side
    14,749.86x = 119,267,226.32
  5. Step 5: Solve for x
    x = 119,267,226.32/14,749.86
  6. Step 6: Final answer
    x = 8,085.99

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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.