Home / 25,848.29-35,646.41-20,560.61

Finding the Fourth Proportional to 25,848.29, 35,646.41 and 20,560.61

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Solution

The fourth proportional to 25,848.29, 35,646.41 and 20,560.61 is: 28,354.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,848.29 : 35,646.41 = 20,560.61 : x
  2. Step 2: Convert to fraction form
    25,848.29/35,646.41 = 20,560.61/x
  3. Step 3: Cross multiply
    25,848.29x = 35,646.41 × 20,560.61
  4. Step 4: Simplify right side
    25,848.29x = 732,911,831.11
  5. Step 5: Solve for x
    x = 732,911,831.11/25,848.29
  6. Step 6: Final answer
    x = 28,354.36

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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.