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Finding the Fourth Proportional to 24,798.12, 34,221.06 and 15,369

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Solution

The fourth proportional to 24,798.12, 34,221.06 and 15,369 is: 21,209.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,798.12 : 34,221.06 = 15,369 : x
  2. Step 2: Convert to fraction form
    24,798.12/34,221.06 = 15,369/x
  3. Step 3: Cross multiply
    24,798.12x = 34,221.06 × 15,369
  4. Step 4: Simplify right side
    24,798.12x = 525,943,471.14
  5. Step 5: Solve for x
    x = 525,943,471.14/24,798.12
  6. Step 6: Final answer
    x = 21,209.01

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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.