Home / 25,675.78-35,432.62-14,345.30

Finding the Fourth Proportional to 25,675.78, 35,432.62 and 14,345.30

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Solution

The fourth proportional to 25,675.78, 35,432.62 and 14,345.30 is: 19,796.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,675.78 : 35,432.62 = 14,345.30 : x
  2. Step 2: Convert to fraction form
    25,675.78/35,432.62 = 14,345.30/x
  3. Step 3: Cross multiply
    25,675.78x = 35,432.62 × 14,345.30
  4. Step 4: Simplify right side
    25,675.78x = 508,291,386.52
  5. Step 5: Solve for x
    x = 508,291,386.52/25,675.78
  6. Step 6: Final answer
    x = 19,796.53

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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.