Home / 25,669.12-35,421.72-14,913.04

Finding the Fourth Proportional to 25,669.12, 35,421.72 and 14,913.04

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Solution

The fourth proportional to 25,669.12, 35,421.72 and 14,913.04 is: 20,579.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,669.12 : 35,421.72 = 14,913.04 : x
  2. Step 2: Convert to fraction form
    25,669.12/35,421.72 = 14,913.04/x
  3. Step 3: Cross multiply
    25,669.12x = 35,421.72 × 14,913.04
  4. Step 4: Simplify right side
    25,669.12x = 528,245,527.23
  5. Step 5: Solve for x
    x = 528,245,527.23/25,669.12
  6. Step 6: Final answer
    x = 20,579.03

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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.