Home / 15,445.09-23,160.75-4,913.13

Finding the Fourth Proportional to 15,445.09, 23,160.75 and 4,913.13

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Solution

The fourth proportional to 15,445.09, 23,160.75 and 4,913.13 is: 7,367.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,445.09 : 23,160.75 = 4,913.13 : x
  2. Step 2: Convert to fraction form
    15,445.09/23,160.75 = 4,913.13/x
  3. Step 3: Cross multiply
    15,445.09x = 23,160.75 × 4,913.13
  4. Step 4: Simplify right side
    15,445.09x = 113,791,775.65
  5. Step 5: Solve for x
    x = 113,791,775.65/15,445.09
  6. Step 6: Final answer
    x = 7,367.50

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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.