Home / 18,934.04-26,127.98-10,434.47

Finding the Fourth Proportional to 18,934.04, 26,127.98 and 10,434.47

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Solution

The fourth proportional to 18,934.04, 26,127.98 and 10,434.47 is: 14,399.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,934.04 : 26,127.98 = 10,434.47 : x
  2. Step 2: Convert to fraction form
    18,934.04/26,127.98 = 10,434.47/x
  3. Step 3: Cross multiply
    18,934.04x = 26,127.98 × 10,434.47
  4. Step 4: Simplify right side
    18,934.04x = 272,631,440.66
  5. Step 5: Solve for x
    x = 272,631,440.66/18,934.04
  6. Step 6: Final answer
    x = 14,399.01

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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.