Home / 13,475.07-18,595.59-7,886.07

Finding the Fourth Proportional to 13,475.07, 18,595.59 and 7,886.07

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Solution

The fourth proportional to 13,475.07, 18,595.59 and 7,886.07 is: 10,882.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,475.07 : 18,595.59 = 7,886.07 : x
  2. Step 2: Convert to fraction form
    13,475.07/18,595.59 = 7,886.07/x
  3. Step 3: Cross multiply
    13,475.07x = 18,595.59 × 7,886.07
  4. Step 4: Simplify right side
    13,475.07x = 146,646,124.43
  5. Step 5: Solve for x
    x = 146,646,124.43/13,475.07
  6. Step 6: Final answer
    x = 10,882.77

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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.