Home / 18,934.16-26,128.98-10,436.63

Finding the Fourth Proportional to 18,934.16, 26,128.98 and 10,436.63

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Solution

The fourth proportional to 18,934.16, 26,128.98 and 10,436.63 is: 14,402.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,934.16 : 26,128.98 = 10,436.63 : x
  2. Step 2: Convert to fraction form
    18,934.16/26,128.98 = 10,436.63/x
  3. Step 3: Cross multiply
    18,934.16x = 26,128.98 × 10,436.63
  4. Step 4: Simplify right side
    18,934.16x = 272,698,365.89
  5. Step 5: Solve for x
    x = 272,698,365.89/18,934.16
  6. Step 6: Final answer
    x = 14,402.46

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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.