Home / 25,848.60-35,674.98-15,782.92

Finding the Fourth Proportional to 25,848.60, 35,674.98 and 15,782.92

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Solution

The fourth proportional to 25,848.60, 35,674.98 and 15,782.92 is: 21,782.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,848.60 : 35,674.98 = 15,782.92 : x
  2. Step 2: Convert to fraction form
    25,848.60/35,674.98 = 15,782.92/x
  3. Step 3: Cross multiply
    25,848.60x = 35,674.98 × 15,782.92
  4. Step 4: Simplify right side
    25,848.60x = 563,055,355.34
  5. Step 5: Solve for x
    x = 563,055,355.34/25,848.60
  6. Step 6: Final answer
    x = 21,782.82

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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.