Home / 25,611.04-38,426.76-12,461.92

Finding the Fourth Proportional to 25,611.04, 38,426.76 and 12,461.92

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Solution

The fourth proportional to 25,611.04, 38,426.76 and 12,461.92 is: 18,697.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,611.04 : 38,426.76 = 12,461.92 : x
  2. Step 2: Convert to fraction form
    25,611.04/38,426.76 = 12,461.92/x
  3. Step 3: Cross multiply
    25,611.04x = 38,426.76 × 12,461.92
  4. Step 4: Simplify right side
    25,611.04x = 478,871,208.98
  5. Step 5: Solve for x
    x = 478,871,208.98/25,611.04
  6. Step 6: Final answer
    x = 18,697.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.