Home / 27,677.04-38,182.68-19,298.40

Finding the Fourth Proportional to 27,677.04, 38,182.68 and 19,298.40

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Solution

The fourth proportional to 27,677.04, 38,182.68 and 19,298.40 is: 26,623.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,677.04 : 38,182.68 = 19,298.40 : x
  2. Step 2: Convert to fraction form
    27,677.04/38,182.68 = 19,298.40/x
  3. Step 3: Cross multiply
    27,677.04x = 38,182.68 × 19,298.40
  4. Step 4: Simplify right side
    27,677.04x = 736,864,631.71
  5. Step 5: Solve for x
    x = 736,864,631.71/27,677.04
  6. Step 6: Final answer
    x = 26,623.68

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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.