Home / 19,530.04-26,948.56-11,869.32

Finding the Fourth Proportional to 19,530.04, 26,948.56 and 11,869.32

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Solution

The fourth proportional to 19,530.04, 26,948.56 and 11,869.32 is: 16,377.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,530.04 : 26,948.56 = 11,869.32 : x
  2. Step 2: Convert to fraction form
    19,530.04/26,948.56 = 11,869.32/x
  3. Step 3: Cross multiply
    19,530.04x = 26,948.56 × 11,869.32
  4. Step 4: Simplify right side
    19,530.04x = 319,861,082.18
  5. Step 5: Solve for x
    x = 319,861,082.18/19,530.04
  6. Step 6: Final answer
    x = 16,377.90

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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.