Home / 15,264.77-21,077.55-10,165.26

Finding the Fourth Proportional to 15,264.77, 21,077.55 and 10,165.26

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Solution

The fourth proportional to 15,264.77, 21,077.55 and 10,165.26 is: 14,036.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,264.77 : 21,077.55 = 10,165.26 : x
  2. Step 2: Convert to fraction form
    15,264.77/21,077.55 = 10,165.26/x
  3. Step 3: Cross multiply
    15,264.77x = 21,077.55 × 10,165.26
  4. Step 4: Simplify right side
    15,264.77x = 214,258,775.91
  5. Step 5: Solve for x
    x = 214,258,775.91/15,264.77
  6. Step 6: Final answer
    x = 14,036.17

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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.