Home / 14,903.40-20,568.48-8,938.35

Finding the Fourth Proportional to 14,903.40, 20,568.48 and 8,938.35

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Solution

The fourth proportional to 14,903.40, 20,568.48 and 8,938.35 is: 12,336.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,903.40 : 20,568.48 = 8,938.35 : x
  2. Step 2: Convert to fraction form
    14,903.40/20,568.48 = 8,938.35/x
  3. Step 3: Cross multiply
    14,903.40x = 20,568.48 × 8,938.35
  4. Step 4: Simplify right side
    14,903.40x = 183,848,273.21
  5. Step 5: Solve for x
    x = 183,848,273.21/14,903.40
  6. Step 6: Final answer
    x = 12,336.00

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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.