Home / 25,030.83-34,541.24-13,698.12

Finding the Fourth Proportional to 25,030.83, 34,541.24 and 13,698.12

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Solution

The fourth proportional to 25,030.83, 34,541.24 and 13,698.12 is: 18,902.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,030.83 : 34,541.24 = 13,698.12 : x
  2. Step 2: Convert to fraction form
    25,030.83/34,541.24 = 13,698.12/x
  3. Step 3: Cross multiply
    25,030.83x = 34,541.24 × 13,698.12
  4. Step 4: Simplify right side
    25,030.83x = 473,149,981.98
  5. Step 5: Solve for x
    x = 473,149,981.98/25,030.83
  6. Step 6: Final answer
    x = 18,902.69

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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.