Home / 15,041.40-22,556.70-7,643.40

Finding the Fourth Proportional to 15,041.40, 22,556.70 and 7,643.40

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Solution

The fourth proportional to 15,041.40, 22,556.70 and 7,643.40 is: 11,462.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,041.40 : 22,556.70 = 7,643.40 : x
  2. Step 2: Convert to fraction form
    15,041.40/22,556.70 = 7,643.40/x
  3. Step 3: Cross multiply
    15,041.40x = 22,556.70 × 7,643.40
  4. Step 4: Simplify right side
    15,041.40x = 172,409,880.78
  5. Step 5: Solve for x
    x = 172,409,880.78/15,041.40
  6. Step 6: Final answer
    x = 11,462.36

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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.