Home / 19,355.28-26,685.54-12,537.27

Finding the Fourth Proportional to 19,355.28, 26,685.54 and 12,537.27

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Solution

The fourth proportional to 19,355.28, 26,685.54 and 12,537.27 is: 17,285.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,355.28 : 26,685.54 = 12,537.27 : x
  2. Step 2: Convert to fraction form
    19,355.28/26,685.54 = 12,537.27/x
  3. Step 3: Cross multiply
    19,355.28x = 26,685.54 × 12,537.27
  4. Step 4: Simplify right side
    19,355.28x = 334,563,820.08
  5. Step 5: Solve for x
    x = 334,563,820.08/19,355.28
  6. Step 6: Final answer
    x = 17,285.40

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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.