Home / 25,303.84-34,909.32-15,868.96

Finding the Fourth Proportional to 25,303.84, 34,909.32 and 15,868.96

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Solution

The fourth proportional to 25,303.84, 34,909.32 and 15,868.96 is: 21,892.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,303.84 : 34,909.32 = 15,868.96 : x
  2. Step 2: Convert to fraction form
    25,303.84/34,909.32 = 15,868.96/x
  3. Step 3: Cross multiply
    25,303.84x = 34,909.32 × 15,868.96
  4. Step 4: Simplify right side
    25,303.84x = 553,974,602.71
  5. Step 5: Solve for x
    x = 553,974,602.71/25,303.84
  6. Step 6: Final answer
    x = 21,892.91

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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.