Home / 16,987.40-23,465.04-14,164.02

Finding the Fourth Proportional to 16,987.40, 23,465.04 and 14,164.02

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Solution

The fourth proportional to 16,987.40, 23,465.04 and 14,164.02 is: 19,565.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,987.40 : 23,465.04 = 14,164.02 : x
  2. Step 2: Convert to fraction form
    16,987.40/23,465.04 = 14,164.02/x
  3. Step 3: Cross multiply
    16,987.40x = 23,465.04 × 14,164.02
  4. Step 4: Simplify right side
    16,987.40x = 332,359,295.86
  5. Step 5: Solve for x
    x = 332,359,295.86/16,987.40
  6. Step 6: Final answer
    x = 19,565.05

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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.