Home / 22,641.47-31,248.95-13,210.01

Finding the Fourth Proportional to 22,641.47, 31,248.95 and 13,210.01

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Solution

The fourth proportional to 22,641.47, 31,248.95 and 13,210.01 is: 18,231.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,641.47 : 31,248.95 = 13,210.01 : x
  2. Step 2: Convert to fraction form
    22,641.47/31,248.95 = 13,210.01/x
  3. Step 3: Cross multiply
    22,641.47x = 31,248.95 × 13,210.01
  4. Step 4: Simplify right side
    22,641.47x = 412,798,719.69
  5. Step 5: Solve for x
    x = 412,798,719.69/22,641.47
  6. Step 6: Final answer
    x = 18,231.98

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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.