Home / 18,597.28-25,653.36-12,557.92

Finding the Fourth Proportional to 18,597.28, 25,653.36 and 12,557.92

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Solution

The fourth proportional to 18,597.28, 25,653.36 and 12,557.92 is: 17,322.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,597.28 : 25,653.36 = 12,557.92 : x
  2. Step 2: Convert to fraction form
    18,597.28/25,653.36 = 12,557.92/x
  3. Step 3: Cross multiply
    18,597.28x = 25,653.36 × 12,557.92
  4. Step 4: Simplify right side
    18,597.28x = 322,152,842.61
  5. Step 5: Solve for x
    x = 322,152,842.61/18,597.28
  6. Step 6: Final answer
    x = 17,322.58

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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.