Home / 27,445.14-41,152.95-8,720.10

Finding the Fourth Proportional to 27,445.14, 41,152.95 and 8,720.10

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Solution

The fourth proportional to 27,445.14, 41,152.95 and 8,720.10 is: 13,075.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,445.14 : 41,152.95 = 8,720.10 : x
  2. Step 2: Convert to fraction form
    27,445.14/41,152.95 = 8,720.10/x
  3. Step 3: Cross multiply
    27,445.14x = 41,152.95 × 8,720.10
  4. Step 4: Simplify right side
    27,445.14x = 358,857,839.30
  5. Step 5: Solve for x
    x = 358,857,839.30/27,445.14
  6. Step 6: Final answer
    x = 13,075.46

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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.