Home / 16,774.40-23,139.10-10,398.08

Finding the Fourth Proportional to 16,774.40, 23,139.10 and 10,398.08

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Solution

The fourth proportional to 16,774.40, 23,139.10 and 10,398.08 is: 14,343.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,774.40 : 23,139.10 = 10,398.08 : x
  2. Step 2: Convert to fraction form
    16,774.40/23,139.10 = 10,398.08/x
  3. Step 3: Cross multiply
    16,774.40x = 23,139.10 × 10,398.08
  4. Step 4: Simplify right side
    16,774.40x = 240,602,283.77
  5. Step 5: Solve for x
    x = 240,602,283.77/16,774.40
  6. Step 6: Final answer
    x = 14,343.42

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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.