Home / 15,461.46-21,347.91-9,501.12

Finding the Fourth Proportional to 15,461.46, 21,347.91 and 9,501.12

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Solution

The fourth proportional to 15,461.46, 21,347.91 and 9,501.12 is: 13,118.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,461.46 : 21,347.91 = 9,501.12 : x
  2. Step 2: Convert to fraction form
    15,461.46/21,347.91 = 9,501.12/x
  3. Step 3: Cross multiply
    15,461.46x = 21,347.91 × 9,501.12
  4. Step 4: Simplify right side
    15,461.46x = 202,829,054.66
  5. Step 5: Solve for x
    x = 202,829,054.66/15,461.46
  6. Step 6: Final answer
    x = 13,118.36

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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.