Home / 14,645.41-20,210.63-7,931.04

Finding the Fourth Proportional to 14,645.41, 20,210.63 and 7,931.04

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Solution

The fourth proportional to 14,645.41, 20,210.63 and 7,931.04 is: 10,944.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,645.41 : 20,210.63 = 7,931.04 : x
  2. Step 2: Convert to fraction form
    14,645.41/20,210.63 = 7,931.04/x
  3. Step 3: Cross multiply
    14,645.41x = 20,210.63 × 7,931.04
  4. Step 4: Simplify right side
    14,645.41x = 160,291,254.35
  5. Step 5: Solve for x
    x = 160,291,254.35/14,645.41
  6. Step 6: Final answer
    x = 10,944.81

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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.