Home / 18,790.99-25,931.28-10,293.05

Finding the Fourth Proportional to 18,790.99, 25,931.28 and 10,293.05

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Solution

The fourth proportional to 18,790.99, 25,931.28 and 10,293.05 is: 14,204.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,790.99 : 25,931.28 = 10,293.05 : x
  2. Step 2: Convert to fraction form
    18,790.99/25,931.28 = 10,293.05/x
  3. Step 3: Cross multiply
    18,790.99x = 25,931.28 × 10,293.05
  4. Step 4: Simplify right side
    18,790.99x = 266,911,870.55
  5. Step 5: Solve for x
    x = 266,911,870.55/18,790.99
  6. Step 6: Final answer
    x = 14,204.25

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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.