Home / 26,868.08-37,078.32-14,931.20

Finding the Fourth Proportional to 26,868.08, 37,078.32 and 14,931.20

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Solution

The fourth proportional to 26,868.08, 37,078.32 and 14,931.20 is: 20,605.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,868.08 : 37,078.32 = 14,931.20 : x
  2. Step 2: Convert to fraction form
    26,868.08/37,078.32 = 14,931.20/x
  3. Step 3: Cross multiply
    26,868.08x = 37,078.32 × 14,931.20
  4. Step 4: Simplify right side
    26,868.08x = 553,623,811.58
  5. Step 5: Solve for x
    x = 553,623,811.58/26,868.08
  6. Step 6: Final answer
    x = 20,605.26

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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.