Home / 25,673.12-35,427.80-14,342.57

Finding the Fourth Proportional to 25,673.12, 35,427.80 and 14,342.57

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Solution

The fourth proportional to 25,673.12, 35,427.80 and 14,342.57 is: 19,792.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,673.12 : 35,427.80 = 14,342.57 : x
  2. Step 2: Convert to fraction form
    25,673.12/35,427.80 = 14,342.57/x
  3. Step 3: Cross multiply
    25,673.12x = 35,427.80 × 14,342.57
  4. Step 4: Simplify right side
    25,673.12x = 508,125,629.73
  5. Step 5: Solve for x
    x = 508,125,629.73/25,673.12
  6. Step 6: Final answer
    x = 19,792.13

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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.