Home / 14,703.07-20,298.65-9,681.88

Finding the Fourth Proportional to 14,703.07, 20,298.65 and 9,681.88

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Solution

The fourth proportional to 14,703.07, 20,298.65 and 9,681.88 is: 13,366.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,703.07 : 20,298.65 = 9,681.88 : x
  2. Step 2: Convert to fraction form
    14,703.07/20,298.65 = 9,681.88/x
  3. Step 3: Cross multiply
    14,703.07x = 20,298.65 × 9,681.88
  4. Step 4: Simplify right side
    14,703.07x = 196,528,994.31
  5. Step 5: Solve for x
    x = 196,528,994.31/14,703.07
  6. Step 6: Final answer
    x = 13,366.53

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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.