Home / 38,685.75-53,397.73-25,259.09

Finding the Fourth Proportional to 38,685.75, 53,397.73 and 25,259.09

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Solution

The fourth proportional to 38,685.75, 53,397.73 and 25,259.09 is: 34,864.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,685.75 : 53,397.73 = 25,259.09 : x
  2. Step 2: Convert to fraction form
    38,685.75/53,397.73 = 25,259.09/x
  3. Step 3: Cross multiply
    38,685.75x = 53,397.73 × 25,259.09
  4. Step 4: Simplify right side
    38,685.75x = 1,348,778,132.81
  5. Step 5: Solve for x
    x = 1,348,778,132.81/38,685.75
  6. Step 6: Final answer
    x = 34,864.98

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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.