Home / 14,784.33-20,366.65-12,653.02

Finding the Fourth Proportional to 14,784.33, 20,366.65 and 12,653.02

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Solution

The fourth proportional to 14,784.33, 20,366.65 and 12,653.02 is: 17,430.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,784.33 : 20,366.65 = 12,653.02 : x
  2. Step 2: Convert to fraction form
    14,784.33/20,366.65 = 12,653.02/x
  3. Step 3: Cross multiply
    14,784.33x = 20,366.65 × 12,653.02
  4. Step 4: Simplify right side
    14,784.33x = 257,699,629.78
  5. Step 5: Solve for x
    x = 257,699,629.78/14,784.33
  6. Step 6: Final answer
    x = 17,430.59

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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.