Home / 15,507.84-21,398.88-10,482.99

Finding the Fourth Proportional to 15,507.84, 21,398.88 and 10,482.99

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Solution

The fourth proportional to 15,507.84, 21,398.88 and 10,482.99 is: 14,465.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,507.84 : 21,398.88 = 10,482.99 : x
  2. Step 2: Convert to fraction form
    15,507.84/21,398.88 = 10,482.99/x
  3. Step 3: Cross multiply
    15,507.84x = 21,398.88 × 10,482.99
  4. Step 4: Simplify right side
    15,507.84x = 224,324,245.05
  5. Step 5: Solve for x
    x = 224,324,245.05/15,507.84
  6. Step 6: Final answer
    x = 14,465.22

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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.