Home / 15,264.79-21,068.48-10,432.42

Finding the Fourth Proportional to 15,264.79, 21,068.48 and 10,432.42

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Solution

The fourth proportional to 15,264.79, 21,068.48 and 10,432.42 is: 14,398.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,264.79 : 21,068.48 = 10,432.42 : x
  2. Step 2: Convert to fraction form
    15,264.79/21,068.48 = 10,432.42/x
  3. Step 3: Cross multiply
    15,264.79x = 21,068.48 × 10,432.42
  4. Step 4: Simplify right side
    15,264.79x = 219,795,205.53
  5. Step 5: Solve for x
    x = 219,795,205.53/15,264.79
  6. Step 6: Final answer
    x = 14,398.84

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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.