Home / 15,264.18-21,053.64-14,009.28

Finding the Fourth Proportional to 15,264.18, 21,053.64 and 14,009.28

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Solution

The fourth proportional to 15,264.18, 21,053.64 and 14,009.28 is: 19,322.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,264.18 : 21,053.64 = 14,009.28 : x
  2. Step 2: Convert to fraction form
    15,264.18/21,053.64 = 14,009.28/x
  3. Step 3: Cross multiply
    15,264.18x = 21,053.64 × 14,009.28
  4. Step 4: Simplify right side
    15,264.18x = 294,946,337.78
  5. Step 5: Solve for x
    x = 294,946,337.78/15,264.18
  6. Step 6: Final answer
    x = 19,322.78

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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.