Home / 14,316.48-19,749.28-9,001.28

Finding the Fourth Proportional to 14,316.48, 19,749.28 and 9,001.28

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Solution

The fourth proportional to 14,316.48, 19,749.28 and 9,001.28 is: 12,417.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,316.48 : 19,749.28 = 9,001.28 : x
  2. Step 2: Convert to fraction form
    14,316.48/19,749.28 = 9,001.28/x
  3. Step 3: Cross multiply
    14,316.48x = 19,749.28 × 9,001.28
  4. Step 4: Simplify right side
    14,316.48x = 177,768,799.08
  5. Step 5: Solve for x
    x = 177,768,799.08/14,316.48
  6. Step 6: Final answer
    x = 12,417.07

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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.