Home / 26,075.32-35,984.22-15,320.64

Finding the Fourth Proportional to 26,075.32, 35,984.22 and 15,320.64

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Solution

The fourth proportional to 26,075.32, 35,984.22 and 15,320.64 is: 21,142.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,075.32 : 35,984.22 = 15,320.64 : x
  2. Step 2: Convert to fraction form
    26,075.32/35,984.22 = 15,320.64/x
  3. Step 3: Cross multiply
    26,075.32x = 35,984.22 × 15,320.64
  4. Step 4: Simplify right side
    26,075.32x = 551,301,280.30
  5. Step 5: Solve for x
    x = 551,301,280.30/26,075.32
  6. Step 6: Final answer
    x = 21,142.65

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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.