Home / 25,615.40-35,349.10-14,285.03

Finding the Fourth Proportional to 25,615.40, 35,349.10 and 14,285.03

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Solution

The fourth proportional to 25,615.40, 35,349.10 and 14,285.03 is: 19,713.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,615.40 : 35,349.10 = 14,285.03 : x
  2. Step 2: Convert to fraction form
    25,615.40/35,349.10 = 14,285.03/x
  3. Step 3: Cross multiply
    25,615.40x = 35,349.10 × 14,285.03
  4. Step 4: Simplify right side
    25,615.40x = 504,962,741.51
  5. Step 5: Solve for x
    x = 504,962,741.51/25,615.40
  6. Step 6: Final answer
    x = 19,713.25

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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.