Home / 17,889.28-24,678.63-12,587.02

Finding the Fourth Proportional to 17,889.28, 24,678.63 and 12,587.02

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Solution

The fourth proportional to 17,889.28, 24,678.63 and 12,587.02 is: 17,364.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,889.28 : 24,678.63 = 12,587.02 : x
  2. Step 2: Convert to fraction form
    17,889.28/24,678.63 = 12,587.02/x
  3. Step 3: Cross multiply
    17,889.28x = 24,678.63 × 12,587.02
  4. Step 4: Simplify right side
    17,889.28x = 310,630,409.38
  5. Step 5: Solve for x
    x = 310,630,409.38/17,889.28
  6. Step 6: Final answer
    x = 17,364.05

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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.