Home / 25,085.60-34,618.51-13,756.13

Finding the Fourth Proportional to 25,085.60, 34,618.51 and 13,756.13

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Solution

The fourth proportional to 25,085.60, 34,618.51 and 13,756.13 is: 18,983.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,085.60 : 34,618.51 = 13,756.13 : x
  2. Step 2: Convert to fraction form
    25,085.60/34,618.51 = 13,756.13/x
  3. Step 3: Cross multiply
    25,085.60x = 34,618.51 × 13,756.13
  4. Step 4: Simplify right side
    25,085.60x = 476,216,568.07
  5. Step 5: Solve for x
    x = 476,216,568.07/25,085.60
  6. Step 6: Final answer
    x = 18,983.67

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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.