Home / 27,293.23-40,931.10-10,649.20

Finding the Fourth Proportional to 27,293.23, 40,931.10 and 10,649.20

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Solution

The fourth proportional to 27,293.23, 40,931.10 and 10,649.20 is: 15,970.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,293.23 : 40,931.10 = 10,649.20 : x
  2. Step 2: Convert to fraction form
    27,293.23/40,931.10 = 10,649.20/x
  3. Step 3: Cross multiply
    27,293.23x = 40,931.10 × 10,649.20
  4. Step 4: Simplify right side
    27,293.23x = 435,883,470.12
  5. Step 5: Solve for x
    x = 435,883,470.12/27,293.23
  6. Step 6: Final answer
    x = 15,970.39

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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.