Home / 20,592.41-28,417.46-11,160.99

Finding the Fourth Proportional to 20,592.41, 28,417.46 and 11,160.99

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Solution

The fourth proportional to 20,592.41, 28,417.46 and 11,160.99 is: 15,402.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,592.41 : 28,417.46 = 11,160.99 : x
  2. Step 2: Convert to fraction form
    20,592.41/28,417.46 = 11,160.99/x
  3. Step 3: Cross multiply
    20,592.41x = 28,417.46 × 11,160.99
  4. Step 4: Simplify right side
    20,592.41x = 317,166,931.08
  5. Step 5: Solve for x
    x = 317,166,931.08/20,592.41
  6. Step 6: Final answer
    x = 15,402.13

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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.