Home / 19,678.32-29,526.22-10,316.12

Finding the Fourth Proportional to 19,678.32, 29,526.22 and 10,316.12

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Solution

The fourth proportional to 19,678.32, 29,526.22 and 10,316.12 is: 15,478.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,678.32 : 29,526.22 = 10,316.12 : x
  2. Step 2: Convert to fraction form
    19,678.32/29,526.22 = 10,316.12/x
  3. Step 3: Cross multiply
    19,678.32x = 29,526.22 × 10,316.12
  4. Step 4: Simplify right side
    19,678.32x = 304,596,028.67
  5. Step 5: Solve for x
    x = 304,596,028.67/19,678.32
  6. Step 6: Final answer
    x = 15,478.76

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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.