Home / 14,602.40-20,159.06-11,699.54

Finding the Fourth Proportional to 14,602.40, 20,159.06 and 11,699.54

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Solution

The fourth proportional to 14,602.40, 20,159.06 and 11,699.54 is: 16,151.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,602.40 : 20,159.06 = 11,699.54 : x
  2. Step 2: Convert to fraction form
    14,602.40/20,159.06 = 11,699.54/x
  3. Step 3: Cross multiply
    14,602.40x = 20,159.06 × 11,699.54
  4. Step 4: Simplify right side
    14,602.40x = 235,851,728.83
  5. Step 5: Solve for x
    x = 235,851,728.83/14,602.40
  6. Step 6: Final answer
    x = 16,151.57

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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.