Home / 25,342.47-38,011.28-7,807.59

Finding the Fourth Proportional to 25,342.47, 38,011.28 and 7,807.59

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Solution

The fourth proportional to 25,342.47, 38,011.28 and 7,807.59 is: 11,710.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,342.47 : 38,011.28 = 7,807.59 : x
  2. Step 2: Convert to fraction form
    25,342.47/38,011.28 = 7,807.59/x
  3. Step 3: Cross multiply
    25,342.47x = 38,011.28 × 7,807.59
  4. Step 4: Simplify right side
    25,342.47x = 296,776,450.58
  5. Step 5: Solve for x
    x = 296,776,450.58/25,342.47
  6. Step 6: Final answer
    x = 11,710.64

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1.5x scale

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.