Home / 18,864.64-26,031.65-10,366.32

Finding the Fourth Proportional to 18,864.64, 26,031.65 and 10,366.32

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Solution

The fourth proportional to 18,864.64, 26,031.65 and 10,366.32 is: 14,304.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,864.64 : 26,031.65 = 10,366.32 : x
  2. Step 2: Convert to fraction form
    18,864.64/26,031.65 = 10,366.32/x
  3. Step 3: Cross multiply
    18,864.64x = 26,031.65 × 10,366.32
  4. Step 4: Simplify right side
    18,864.64x = 269,852,439.94
  5. Step 5: Solve for x
    x = 269,852,439.94/18,864.64
  6. Step 6: Final answer
    x = 14,304.67

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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.