Home / 25,690.59-38,538.45-6,970.93

Finding the Fourth Proportional to 25,690.59, 38,538.45 and 6,970.93

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Solution

The fourth proportional to 25,690.59, 38,538.45 and 6,970.93 is: 10,457.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,690.59 : 38,538.45 = 6,970.93 : x
  2. Step 2: Convert to fraction form
    25,690.59/38,538.45 = 6,970.93/x
  3. Step 3: Cross multiply
    25,690.59x = 38,538.45 × 6,970.93
  4. Step 4: Simplify right side
    25,690.59x = 268,648,740.91
  5. Step 5: Solve for x
    x = 268,648,740.91/25,690.59
  6. Step 6: Final answer
    x = 10,457.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.