Home / 19,948.48-29,931.38-10,703.68

Finding the Fourth Proportional to 19,948.48, 29,931.38 and 10,703.68

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Solution

The fourth proportional to 19,948.48, 29,931.38 and 10,703.68 is: 16,060.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,948.48 : 29,931.38 = 10,703.68 : x
  2. Step 2: Convert to fraction form
    19,948.48/29,931.38 = 10,703.68/x
  3. Step 3: Cross multiply
    19,948.48x = 29,931.38 × 10,703.68
  4. Step 4: Simplify right side
    19,948.48x = 320,375,913.48
  5. Step 5: Solve for x
    x = 320,375,913.48/19,948.48
  6. Step 6: Final answer
    x = 16,060.17

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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.