Home / 16,931.68-25,397.16-4,619.68

Finding the Fourth Proportional to 16,931.68, 25,397.16 and 4,619.68

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Solution

The fourth proportional to 16,931.68, 25,397.16 and 4,619.68 is: 6,929.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,931.68 : 25,397.16 = 4,619.68 : x
  2. Step 2: Convert to fraction form
    16,931.68/25,397.16 = 4,619.68/x
  3. Step 3: Cross multiply
    16,931.68x = 25,397.16 × 4,619.68
  4. Step 4: Simplify right side
    16,931.68x = 117,326,752.11
  5. Step 5: Solve for x
    x = 117,326,752.11/16,931.68
  6. Step 6: Final answer
    x = 6,929.42

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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.