Home / 14,602.89-20,159.75-11,700.05

Finding the Fourth Proportional to 14,602.89, 20,159.75 and 11,700.05

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Solution

The fourth proportional to 14,602.89, 20,159.75 and 11,700.05 is: 16,152.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,602.89 : 20,159.75 = 11,700.05 : x
  2. Step 2: Convert to fraction form
    14,602.89/20,159.75 = 11,700.05/x
  3. Step 3: Cross multiply
    14,602.89x = 20,159.75 × 11,700.05
  4. Step 4: Simplify right side
    14,602.89x = 235,869,923.69
  5. Step 5: Solve for x
    x = 235,869,923.69/14,602.89
  6. Step 6: Final answer
    x = 16,152.28

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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.