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Finding the Fourth Proportional to 14,655.52, 21,931.44 and 12,927.52

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Solution

The fourth proportional to 14,655.52, 21,931.44 and 12,927.52 is: 19,345.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,655.52 : 21,931.44 = 12,927.52 : x
  2. Step 2: Convert to fraction form
    14,655.52/21,931.44 = 12,927.52/x
  3. Step 3: Cross multiply
    14,655.52x = 21,931.44 × 12,927.52
  4. Step 4: Simplify right side
    14,655.52x = 283,519,129.23
  5. Step 5: Solve for x
    x = 283,519,129.23/14,655.52
  6. Step 6: Final answer
    x = 19,345.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.