Home / 14,967.02-20,656.53-9,660.81

Finding the Fourth Proportional to 14,967.02, 20,656.53 and 9,660.81

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Solution

The fourth proportional to 14,967.02, 20,656.53 and 9,660.81 is: 13,333.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,967.02 : 20,656.53 = 9,660.81 : x
  2. Step 2: Convert to fraction form
    14,967.02/20,656.53 = 9,660.81/x
  3. Step 3: Cross multiply
    14,967.02x = 20,656.53 × 9,660.81
  4. Step 4: Simplify right side
    14,967.02x = 199,558,811.59
  5. Step 5: Solve for x
    x = 199,558,811.59/14,967.02
  6. Step 6: Final answer
    x = 13,333.24

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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.