Home / 19,270.64-26,551.98-12,972.08

Finding the Fourth Proportional to 19,270.64, 26,551.98 and 12,972.08

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Solution

The fourth proportional to 19,270.64, 26,551.98 and 12,972.08 is: 17,873.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,270.64 : 26,551.98 = 12,972.08 : x
  2. Step 2: Convert to fraction form
    19,270.64/26,551.98 = 12,972.08/x
  3. Step 3: Cross multiply
    19,270.64x = 26,551.98 × 12,972.08
  4. Step 4: Simplify right side
    19,270.64x = 344,434,275.96
  5. Step 5: Solve for x
    x = 344,434,275.96/19,270.64
  6. Step 6: Final answer
    x = 17,873.53

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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.