Home / 25,623.84-38,432.58-6,905.34

Finding the Fourth Proportional to 25,623.84, 38,432.58 and 6,905.34

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Solution

The fourth proportional to 25,623.84, 38,432.58 and 6,905.34 is: 10,357.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,623.84 : 38,432.58 = 6,905.34 : x
  2. Step 2: Convert to fraction form
    25,623.84/38,432.58 = 6,905.34/x
  3. Step 3: Cross multiply
    25,623.84x = 38,432.58 × 6,905.34
  4. Step 4: Simplify right side
    25,623.84x = 265,390,031.98
  5. Step 5: Solve for x
    x = 265,390,031.98/25,623.84
  6. Step 6: Final answer
    x = 10,357.15

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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.