Home / 14,527.81-20,043.45-9,225.70

Finding the Fourth Proportional to 14,527.81, 20,043.45 and 9,225.70

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Solution

The fourth proportional to 14,527.81, 20,043.45 and 9,225.70 is: 12,728.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,527.81 : 20,043.45 = 9,225.70 : x
  2. Step 2: Convert to fraction form
    14,527.81/20,043.45 = 9,225.70/x
  3. Step 3: Cross multiply
    14,527.81x = 20,043.45 × 9,225.70
  4. Step 4: Simplify right side
    14,527.81x = 184,914,856.67
  5. Step 5: Solve for x
    x = 184,914,856.67/14,527.81
  6. Step 6: Final answer
    x = 12,728.34

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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.