Home / 25,661.40-35,412.56-14,330.22

Finding the Fourth Proportional to 25,661.40, 35,412.56 and 14,330.22

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Solution

The fourth proportional to 25,661.40, 35,412.56 and 14,330.22 is: 19,775.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,661.40 : 35,412.56 = 14,330.22 : x
  2. Step 2: Convert to fraction form
    25,661.40/35,412.56 = 14,330.22/x
  3. Step 3: Cross multiply
    25,661.40x = 35,412.56 × 14,330.22
  4. Step 4: Simplify right side
    25,661.40x = 507,469,703.91
  5. Step 5: Solve for x
    x = 507,469,703.91/25,661.40
  6. Step 6: Final answer
    x = 19,775.60

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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.