Home / 13,266.52-18,307.35-7,298.13

Finding the Fourth Proportional to 13,266.52, 18,307.35 and 7,298.13

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Solution

The fourth proportional to 13,266.52, 18,307.35 and 7,298.13 is: 10,071.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,266.52 : 18,307.35 = 7,298.13 : x
  2. Step 2: Convert to fraction form
    13,266.52/18,307.35 = 7,298.13/x
  3. Step 3: Cross multiply
    13,266.52x = 18,307.35 × 7,298.13
  4. Step 4: Simplify right side
    13,266.52x = 133,609,488.91
  5. Step 5: Solve for x
    x = 133,609,488.91/13,266.52
  6. Step 6: Final answer
    x = 10,071.18

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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.