Home / 19,931.79-29,842.32-10,041.08

Finding the Fourth Proportional to 19,931.79, 29,842.32 and 10,041.08

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Solution

The fourth proportional to 19,931.79, 29,842.32 and 10,041.08 is: 15,033.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,931.79 : 29,842.32 = 10,041.08 : x
  2. Step 2: Convert to fraction form
    19,931.79/29,842.32 = 10,041.08/x
  3. Step 3: Cross multiply
    19,931.79x = 29,842.32 × 10,041.08
  4. Step 4: Simplify right side
    19,931.79x = 299,649,122.51
  5. Step 5: Solve for x
    x = 299,649,122.51/19,931.79
  6. Step 6: Final answer
    x = 15,033.73

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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.