Home / 16,931.94-23,368.28-10,221.36

Finding the Fourth Proportional to 16,931.94, 23,368.28 and 10,221.36

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Solution

The fourth proportional to 16,931.94, 23,368.28 and 10,221.36 is: 14,106.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,931.94 : 23,368.28 = 10,221.36 : x
  2. Step 2: Convert to fraction form
    16,931.94/23,368.28 = 10,221.36/x
  3. Step 3: Cross multiply
    16,931.94x = 23,368.28 × 10,221.36
  4. Step 4: Simplify right side
    16,931.94x = 238,855,602.46
  5. Step 5: Solve for x
    x = 238,855,602.46/16,931.94
  6. Step 6: Final answer
    x = 14,106.81

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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.