Home / 26,600.16-36,710.10-15,271.50

Finding the Fourth Proportional to 26,600.16, 36,710.10 and 15,271.50

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Solution

The fourth proportional to 26,600.16, 36,710.10 and 15,271.50 is: 21,075.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,600.16 : 36,710.10 = 15,271.50 : x
  2. Step 2: Convert to fraction form
    26,600.16/36,710.10 = 15,271.50/x
  3. Step 3: Cross multiply
    26,600.16x = 36,710.10 × 15,271.50
  4. Step 4: Simplify right side
    26,600.16x = 560,618,292.15
  5. Step 5: Solve for x
    x = 560,618,292.15/26,600.16
  6. Step 6: Final answer
    x = 21,075.75

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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.