Home / 25,258.08-34,857.90-14,651.40

Finding the Fourth Proportional to 25,258.08, 34,857.90 and 14,651.40

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Solution

The fourth proportional to 25,258.08, 34,857.90 and 14,651.40 is: 20,219.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,258.08 : 34,857.90 = 14,651.40 : x
  2. Step 2: Convert to fraction form
    25,258.08/34,857.90 = 14,651.40/x
  3. Step 3: Cross multiply
    25,258.08x = 34,857.90 × 14,651.40
  4. Step 4: Simplify right side
    25,258.08x = 510,717,036.06
  5. Step 5: Solve for x
    x = 510,717,036.06/25,258.08
  6. Step 6: Final answer
    x = 20,219.95

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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.