Home / 25,669.10-35,423.06-15,056.70

Finding the Fourth Proportional to 25,669.10, 35,423.06 and 15,056.70

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Solution

The fourth proportional to 25,669.10, 35,423.06 and 15,056.70 is: 20,778.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,669.10 : 35,423.06 = 15,056.70 : x
  2. Step 2: Convert to fraction form
    25,669.10/35,423.06 = 15,056.70/x
  3. Step 3: Cross multiply
    25,669.10x = 35,423.06 × 15,056.70
  4. Step 4: Simplify right side
    25,669.10x = 533,354,387.50
  5. Step 5: Solve for x
    x = 533,354,387.50/25,669.10
  6. Step 6: Final answer
    x = 20,778.07

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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.