Home / 15,256.76-21,064.12-10,475.16

Finding the Fourth Proportional to 15,256.76, 21,064.12 and 10,475.16

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Solution

The fourth proportional to 15,256.76, 21,064.12 and 10,475.16 is: 14,462.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,256.76 : 21,064.12 = 10,475.16 : x
  2. Step 2: Convert to fraction form
    15,256.76/21,064.12 = 10,475.16/x
  3. Step 3: Cross multiply
    15,256.76x = 21,064.12 × 10,475.16
  4. Step 4: Simplify right side
    15,256.76x = 220,650,027.26
  5. Step 5: Solve for x
    x = 220,650,027.26/15,256.76
  6. Step 6: Final answer
    x = 14,462.44

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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.