Home / 25,875.86-35,710.98-15,263.44

Finding the Fourth Proportional to 25,875.86, 35,710.98 and 15,263.44

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Solution

The fourth proportional to 25,875.86, 35,710.98 and 15,263.44 is: 21,064.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,875.86 : 35,710.98 = 15,263.44 : x
  2. Step 2: Convert to fraction form
    25,875.86/35,710.98 = 15,263.44/x
  3. Step 3: Cross multiply
    25,875.86x = 35,710.98 × 15,263.44
  4. Step 4: Simplify right side
    25,875.86x = 545,072,254.06
  5. Step 5: Solve for x
    x = 545,072,254.06/25,875.86
  6. Step 6: Final answer
    x = 21,064.90

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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.