Home / 26,784.16-40,123.95-12,724.18

Finding the Fourth Proportional to 26,784.16, 40,123.95 and 12,724.18

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Solution

The fourth proportional to 26,784.16, 40,123.95 and 12,724.18 is: 19,061.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,784.16 : 40,123.95 = 12,724.18 : x
  2. Step 2: Convert to fraction form
    26,784.16/40,123.95 = 12,724.18/x
  3. Step 3: Cross multiply
    26,784.16x = 40,123.95 × 12,724.18
  4. Step 4: Simplify right side
    26,784.16x = 510,544,362.11
  5. Step 5: Solve for x
    x = 510,544,362.11/26,784.16
  6. Step 6: Final answer
    x = 19,061.43

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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.