Home / 19,066-26,312.16-10,685.20

Finding the Fourth Proportional to 19,066, 26,312.16 and 10,685.20

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Solution

The fourth proportional to 19,066, 26,312.16 and 10,685.20 is: 14,746.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,066 : 26,312.16 = 10,685.20 : x
  2. Step 2: Convert to fraction form
    19,066/26,312.16 = 10,685.20/x
  3. Step 3: Cross multiply
    19,066x = 26,312.16 × 10,685.20
  4. Step 4: Simplify right side
    19,066x = 281,150,692.03
  5. Step 5: Solve for x
    x = 281,150,692.03/19,066
  6. Step 6: Final answer
    x = 14,746.18

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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.