Home / 25,312.40-34,908-19,332.96

Finding the Fourth Proportional to 25,312.40, 34,908 and 19,332.96

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Solution

The fourth proportional to 25,312.40, 34,908 and 19,332.96 is: 26,661.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,312.40 : 34,908 = 19,332.96 : x
  2. Step 2: Convert to fraction form
    25,312.40/34,908 = 19,332.96/x
  3. Step 3: Cross multiply
    25,312.40x = 34,908 × 19,332.96
  4. Step 4: Simplify right side
    25,312.40x = 674,874,967.68
  5. Step 5: Solve for x
    x = 674,874,967.68/25,312.40
  6. Step 6: Final answer
    x = 26,661.83

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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.