Home / 15,010.95-20,719.53-12,025.74

Finding the Fourth Proportional to 15,010.95, 20,719.53 and 12,025.74

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Solution

The fourth proportional to 15,010.95, 20,719.53 and 12,025.74 is: 16,599.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,010.95 : 20,719.53 = 12,025.74 : x
  2. Step 2: Convert to fraction form
    15,010.95/20,719.53 = 12,025.74/x
  3. Step 3: Cross multiply
    15,010.95x = 20,719.53 × 12,025.74
  4. Step 4: Simplify right side
    15,010.95x = 249,167,680.70
  5. Step 5: Solve for x
    x = 249,167,680.70/15,010.95
  6. Step 6: Final answer
    x = 16,599.06

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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.