Home / 14,161.24-21,225.84-7,130.08

Finding the Fourth Proportional to 14,161.24, 21,225.84 and 7,130.08

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Solution

The fourth proportional to 14,161.24, 21,225.84 and 7,130.08 is: 10,687.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,161.24 : 21,225.84 = 7,130.08 : x
  2. Step 2: Convert to fraction form
    14,161.24/21,225.84 = 7,130.08/x
  3. Step 3: Cross multiply
    14,161.24x = 21,225.84 × 7,130.08
  4. Step 4: Simplify right side
    14,161.24x = 151,341,937.27
  5. Step 5: Solve for x
    x = 151,341,937.27/14,161.24
  6. Step 6: Final answer
    x = 10,687.05

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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.