Home / 18,931.50-26,125.65-10,548.18

Finding the Fourth Proportional to 18,931.50, 26,125.65 and 10,548.18

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Solution

The fourth proportional to 18,931.50, 26,125.65 and 10,548.18 is: 14,556.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,931.50 : 26,125.65 = 10,548.18 : x
  2. Step 2: Convert to fraction form
    18,931.50/26,125.65 = 10,548.18/x
  3. Step 3: Cross multiply
    18,931.50x = 26,125.65 × 10,548.18
  4. Step 4: Simplify right side
    18,931.50x = 275,578,058.82
  5. Step 5: Solve for x
    x = 275,578,058.82/18,931.50
  6. Step 6: Final answer
    x = 14,556.59

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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.