Home / 15,875.14-21,901.84-9,501.88

Finding the Fourth Proportional to 15,875.14, 21,901.84 and 9,501.88

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Solution

The fourth proportional to 15,875.14, 21,901.84 and 9,501.88 is: 13,109.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,875.14 : 21,901.84 = 9,501.88 : x
  2. Step 2: Convert to fraction form
    15,875.14/21,901.84 = 9,501.88/x
  3. Step 3: Cross multiply
    15,875.14x = 21,901.84 × 9,501.88
  4. Step 4: Simplify right side
    15,875.14x = 208,108,655.46
  5. Step 5: Solve for x
    x = 208,108,655.46/15,875.14
  6. Step 6: Final answer
    x = 13,109.09

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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.