Home / 14,389.68-19,847.16-10,853.04

Finding the Fourth Proportional to 14,389.68, 19,847.16 and 10,853.04

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Solution

The fourth proportional to 14,389.68, 19,847.16 and 10,853.04 is: 14,969.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,389.68 : 19,847.16 = 10,853.04 : x
  2. Step 2: Convert to fraction form
    14,389.68/19,847.16 = 10,853.04/x
  3. Step 3: Cross multiply
    14,389.68x = 19,847.16 × 10,853.04
  4. Step 4: Simplify right side
    14,389.68x = 215,402,021.37
  5. Step 5: Solve for x
    x = 215,402,021.37/14,389.68
  6. Step 6: Final answer
    x = 14,969.20

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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.