Home / 14,169.77-21,256.51-4,678.93

Finding the Fourth Proportional to 14,169.77, 21,256.51 and 4,678.93

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Solution

The fourth proportional to 14,169.77, 21,256.51 and 4,678.93 is: 7,019.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,169.77 : 21,256.51 = 4,678.93 : x
  2. Step 2: Convert to fraction form
    14,169.77/21,256.51 = 4,678.93/x
  3. Step 3: Cross multiply
    14,169.77x = 21,256.51 × 4,678.93
  4. Step 4: Simplify right side
    14,169.77x = 99,457,722.33
  5. Step 5: Solve for x
    x = 99,457,722.33/14,169.77
  6. Step 6: Final answer
    x = 7,019.01

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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.